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425806525 = 5241715851
BaseRepresentation
bin11001011000010…
…100101010111101
31002200020012202001
4121120110222331
51333001302100
6110130302301
713360203304
oct3130245275
91080205661
10425806525
111a93a1821
12ba727991
136a2a8931
14407a143b
15275aed6a
hex19614abd

425806525 has 24 divisors (see below), whose sum is σ = 548589888. Its totient is φ = 327600000.

The previous prime is 425806523. The next prime is 425806541. The reversal of 425806525 is 525608524.

It is not a de Polignac number, because 425806525 - 21 = 425806523 is a prime.

It is a super-2 number, since 2×4258065252 = 362622393465151250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425806523) 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, 69850 + ... + 75700.

It is an arithmetic number, because the mean of its divisors is an integer number (22857912).

Almost surely, 2425806525 is an apocalyptic number.

It is an amenable number.

425806525 is a deficient number, since it is larger than the sum of its proper divisors (122783363).

425806525 is a wasteful number, since it uses less digits than its factorization.

425806525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973 (or 5968 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 425806525 is about 20635.0799610760. The cubic root of 425806525 is about 752.3225925862.

The spelling of 425806525 in words is "four hundred twenty-five million, eight hundred six thousand, five hundred twenty-five".

Divisors: 1 5 25 41 71 205 355 1025 1775 2911 5851 14555 29255 72775 146275 239891 415421 1199455 2077105 5997275 10385525 17032261 85161305 425806525