525601431 has 12 divisors (see below), whose sum is σ = 760793280. Its totient is φ = 349666560.

The previous prime is 525601429. The next prime is 525601463. The reversal of 525601431 is 134106525.

525601431 is a `hidden beast` number, since 5 + 25 + 601 + 4 + 31 = 666.

It is not a de Polignac number, because 525601431 - 2¹ = 525601429 is a prime.

It is a super-2 number, since 2×525601431² = 552513728538495522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525601395 and 525601404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525601471) 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, 56650 + ... + 65271.

It is an arithmetic number, because the mean of its divisors is an integer number (63399440).

Almost surely, 2^525601431 is an apocalyptic number.

525601431 is a deficient number, since it is larger than the sum of its proper divisors (235191849).

525601431 is a wasteful number, since it uses less digits than its factorization.

525601431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122406 (or 122403 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 525601431 is about 22925.9990185815. Note that the first 3 decimals coincide. The cubic root of 525601431 is about 807.0222581535.

Adding to 525601431 its reverse (134106525), we get a palindrome (659707956).

The spelling of 525601431 in words is "five hundred twenty-five million, six hundred one thousand, four hundred thirty-one".