72251253 has 12 divisors (see below), whose sum is σ = 104860288. Its totient is φ = 47937960.

The previous prime is 72251237. The next prime is 72251273. The reversal of 72251253 is 35215227.

It is not a de Polignac number, because 72251253 - 2⁴ = 72251237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72251213) 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, 17125 + ... + 20922.

Almost surely, 2^72251253 is an apocalyptic number.

It is an amenable number.

72251253 is a deficient number, since it is larger than the sum of its proper divisors (32609035).

72251253 is a wasteful number, since it uses less digits than its factorization.

72251253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38264 (or 38261 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 72251253 is about 8500.0737055628. The cubic root of 72251253 is about 416.5001169735.

The spelling of 72251253 in words is "seventy-two million, two hundred fifty-one thousand, two hundred fifty-three".