71500325 has 24 divisors (see below), whose sum is σ = 100514400. Its totient is φ = 50016960.

The previous prime is 71500321. The next prime is 71500327. The reversal of 71500325 is 52300517.

It is not a de Polignac number, because 71500325 - 2² = 71500321 is a prime.

It is a super-2 number, since 2×71500325² = 10224592950211250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71500325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71500321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386 + ... + 11964.

It is an arithmetic number, because the mean of its divisors is an integer number (4188100).

Almost surely, 2^71500325 is an apocalyptic number.

It is an amenable number.

71500325 is a deficient number, since it is larger than the sum of its proper divisors (29014075).

71500325 is a wasteful number, since it uses less digits than its factorization.

71500325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621 (or 11616 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 71500325 is about 8455.7864802749. The cubic root of 71500325 is about 415.0521538945.

The spelling of 71500325 in words is "seventy-one million, five hundred thousand, three hundred twenty-five".