525140931 has 16 divisors (see below), whose sum is σ = 847286784. Its totient is φ = 282428544.

The previous prime is 525140929. The next prime is 525140933. The reversal of 525140931 is 139041525.

It is an interprime number because it is at equal distance from previous prime (525140929) and next prime (525140933).

It is not a de Polignac number, because 525140931 - 2¹ = 525140929 is a prime.

It is a super-2 number, since 2×525140931² = 551545994823093522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525140933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735135 + ... + 735848.

It is an arithmetic number, because the mean of its divisors is an integer number (52955424).

Almost surely, 2^525140931 is an apocalyptic number.

525140931 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

525140931 is a deficient number, since it is larger than the sum of its proper divisors (322145853).

525140931 is a wasteful number, since it uses less digits than its factorization.

525140931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471010.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 525140931 is about 22915.9536349679. The cubic root of 525140931 is about 806.7865013518.

The spelling of 525140931 in words is "five hundred twenty-five million, one hundred forty thousand, nine hundred thirty-one".