71013925 has 12 divisors (see below), whose sum is σ = 92692480. Its totient is φ = 53820720.

The previous prime is 71013923. The next prime is 71013931. The reversal of 71013925 is 52931017.

It is not a de Polignac number, because 71013925 - 2¹ = 71013923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71013893 and 71013902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71013923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74277 + ... + 75226.

Almost surely, 2^71013925 is an apocalyptic number.

It is an amenable number.

71013925 is a deficient number, since it is larger than the sum of its proper divisors (21678555).

71013925 is a wasteful number, since it uses less digits than its factorization.

71013925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149532 (or 149527 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 71013925 is about 8426.9760293951. The cubic root of 71013925 is about 414.1088440117.

It can be divided in two parts, 7101 and 3925, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 71013925 in words is "seventy-one million, thirteen thousand, nine hundred twenty-five".