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425211325 = 52711220889
BaseRepresentation
bin11001010110000…
…011010110111101
31002122002222021121
4121112003112331
51332323230300
6110105430541
713352144110
oct3126032675
91078088247
10425211325
111a9025620
12ba49b451
136a12aa46
1440688577
15274e381a
hex195835bd

425211325 has 24 divisors (see below), whose sum is σ = 657368640. Its totient is φ = 265065600.

The previous prime is 425211323. The next prime is 425211359. The reversal of 425211325 is 523112524.

It is not a de Polignac number, because 425211325 - 21 = 425211323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 425211325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425211323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108520 + ... + 112369.

It is an arithmetic number, because the mean of its divisors is an integer number (27390360).

Almost surely, 2425211325 is an apocalyptic number.

It is an amenable number.

425211325 is a deficient number, since it is larger than the sum of its proper divisors (232157315).

425211325 is a wasteful number, since it uses less digits than its factorization.

425211325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220917 (or 220912 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 425211325 is about 20620.6528752123. The cubic root of 425211325 is about 751.9718924580.

Adding to 425211325 its reverse (523112524), we get a palindrome (948323849).

The spelling of 425211325 in words is "four hundred twenty-five million, two hundred eleven thousand, three hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 220889 1104445 1546223 2429779 5522225 7731115 12148895 17008453 38655575 60744475 85042265 425211325