71525153 has 12 divisors (see below), whose sum is σ = 85888512. Its totient is φ = 59328360.

The previous prime is 71525149. The next prime is 71525159. The reversal of 71525153 is 35152517.

It is a happy number.

It is not a de Polignac number, because 71525153 - 2² = 71525149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71525159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22025 + ... + 25062.

It is an arithmetic number, because the mean of its divisors is an integer number (7157376).

Almost surely, 2^71525153 is an apocalyptic number.

It is an amenable number.

71525153 is a deficient number, since it is larger than the sum of its proper divisors (14363359).

71525153 is a wasteful number, since it uses less digits than its factorization.

71525153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47132 (or 47125 counting only the distinct ones).

The product of its digits is 5250, while the sum is 29.

The square root of 71525153 is about 8457.2544599297. The cubic root of 71525153 is about 415.1001896777.

The spelling of 71525153 in words is "seventy-one million, five hundred twenty-five thousand, one hundred fifty-three".