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25285475 = 529710427
BaseRepresentation
bin110000001110…
…1001101100011
31202120122011002
41200131031203
522433113400
62301542215
7424631405
oct140351543
952518132
1025285475
1113300396
12857496b
135314127
143502b75
152346ed5
hex181d363

25285475 has 12 divisors (see below), whose sum is σ = 31680264. Its totient is φ = 20017920.

The previous prime is 25285471. The next prime is 25285499. The reversal of 25285475 is 57458252.

It is not a de Polignac number, because 25285475 - 22 = 25285471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25285471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2789 + ... + 7638.

It is an arithmetic number, because the mean of its divisors is an integer number (2640022).

Almost surely, 225285475 is an apocalyptic number.

25285475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25285475 is a deficient number, since it is larger than the sum of its proper divisors (6394789).

25285475 is a wasteful number, since it uses less digits than its factorization.

25285475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534 (or 10529 counting only the distinct ones).

The product of its digits is 112000, while the sum is 38.

The square root of 25285475 is about 5028.4664660312. The cubic root of 25285475 is about 293.5105427442.

The spelling of 25285475 in words is "twenty-five million, two hundred eighty-five thousand, four hundred seventy-five".

Divisors: 1 5 25 97 485 2425 10427 52135 260675 1011419 5057095 25285475