71365525 has 48 divisors (see below), whose sum is σ = 111564288. Its totient is φ = 43992000.

The previous prime is 71365517. The next prime is 71365529. The reversal of 71365525 is 52556317.

It is not a de Polignac number, because 71365525 - 2³ = 71365517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71365529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252034 + ... + 252316.

It is an arithmetic number, because the mean of its divisors is an integer number (2324256).

Almost surely, 2^71365525 is an apocalyptic number.

It is an amenable number.

71365525 is a deficient number, since it is larger than the sum of its proper divisors (40198763).

71365525 is a wasteful number, since it uses less digits than its factorization.

71365525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 437 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 71365525 is about 8447.8118468631. The cubic root of 71365525 is about 414.7911563509.

The spelling of 71365525 in words is "seventy-one million, three hundred sixty-five thousand, five hundred twenty-five".