71625025 has 6 divisors (see below), whose sum is σ = 88815062. Its totient is φ = 57300000.

The previous prime is 71625011. The next prime is 71625031. The reversal of 71625025 is 52052617.

It can be written as a sum of positive squares in 3 ways, for example, as 374544 + 71250481 = 612^2 + 8441^2 .

It is not a de Polignac number, because 71625025 - 2¹¹ = 71622977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71624984 and 71625002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1432476 + ... + 1432525.

Almost surely, 2^71625025 is an apocalyptic number.

It is an amenable number.

71625025 is a deficient number, since it is larger than the sum of its proper divisors (17190037).

71625025 is a wasteful number, since it uses less digits than its factorization.

71625025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865011 (or 2865006 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 71625025 is about 8463.1569168957. The cubic root of 71625025 is about 415.2933040515.

The spelling of 71625025 in words is "seventy-one million, six hundred twenty-five thousand, twenty-five".