325231015 has 4 divisors (see below), whose sum is σ = 390277224. Its totient is φ = 260184808.

The previous prime is 325230979. The next prime is 325231033. The reversal of 325231015 is 510132523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510132523 = 8123 ⋅62801.

It is a cyclic number.

It is not a de Polignac number, because 325231015 - 2¹⁹ = 324706727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32523097 + ... + 32523106.

It is an arithmetic number, because the mean of its divisors is an integer number (97569306).

Almost surely, 2^325231015 is an apocalyptic number.

325231015 is a deficient number, since it is larger than the sum of its proper divisors (65046209).

325231015 is an equidigital number, since it uses as much as digits as its factorization.

325231015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65046208.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 325231015 is about 18034.1624424313. The cubic root of 325231015 is about 687.6972983052.

Adding to 325231015 its reverse (510132523), we get a palindrome (835363538).

The spelling of 325231015 in words is "three hundred twenty-five million, two hundred thirty-one thousand, fifteen".