325871520 has 96 divisors (see below), whose sum is σ = 1105477632. Its totient is φ = 80212992.

The previous prime is 325871519. The next prime is 325871531. The reversal of 325871520 is 25178523.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×325871520² = 212384495094220800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19872 + ... + 32351.

It is an arithmetic number, because the mean of its divisors is an integer number (11515392).

Almost surely, 2^325871520 is an apocalyptic number.

325871520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325871520 is an abundant number, since it is smaller than the sum of its proper divisors (779606112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325871520 is a wasteful number, since it uses less digits than its factorization.

325871520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52254 (or 52246 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 325871520 is about 18051.9118101103. The cubic root of 325871520 is about 688.1484491280.

The spelling of 325871520 in words is "three hundred twenty-five million, eight hundred seventy-one thousand, five hundred twenty".