71310125 has 16 divisors (see below), whose sum is σ = 91071552. Its totient is φ = 55717200.

The previous prime is 71310103. The next prime is 71310133. The reversal of 71310125 is 52101317.

It is not a de Polignac number, because 71310125 - 2¹² = 71306029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71310097 and 71310106.

It is a congruent number.

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, 1259 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (5691972).

Almost surely, 2^71310125 is an apocalyptic number.

It is an amenable number.

71310125 is a deficient number, since it is larger than the sum of its proper divisors (19761427).

71310125 is a wasteful number, since it uses less digits than its factorization.

71310125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325 (or 13315 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 71310125 is about 8444.5322546604. The cubic root of 71310125 is about 414.6837964885.

The spelling of 71310125 in words is "seventy-one million, three hundred ten thousand, one hundred twenty-five".