325431015 has 64 divisors (see below), whose sum is σ = 643507200. Its totient is φ = 136756224.

The previous prime is 325430999. The next prime is 325431019. The reversal of 325431015 is 510134523.

It is not a de Polignac number, because 325431015 - 2⁴ = 325430999 is a prime.

It is a super-3 number, since 3×325431015³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325431019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 571651 + ... + 572219.

It is an arithmetic number, because the mean of its divisors is an integer number (10054800).

Almost surely, 2^325431015 is an apocalyptic number.

325431015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

325431015 is a deficient number, since it is larger than the sum of its proper divisors (318076185).

325431015 is a wasteful number, since it uses less digits than its factorization.

325431015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 325431015 is about 18039.7066217830. The cubic root of 325431015 is about 687.8382353312.

Adding to 325431015 its reverse (510134523), we get a palindrome (835565538).

The spelling of 325431015 in words is "three hundred twenty-five million, four hundred thirty-one thousand, fifteen".