83257275 has 24 divisors (see below), whose sum is σ = 139209840. Its totient is φ = 43901440.

The previous prime is 83257271. The next prime is 83257277. The reversal of 83257275 is 57275238.

It is not a de Polignac number, because 83257275 - 2² = 83257271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83257271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (5800410).

Almost surely, 2^83257275 is an apocalyptic number.

83257275 is a deficient number, since it is larger than the sum of its proper divisors (55952565).

83257275 is a wasteful number, since it uses less digits than its factorization.

83257275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575 (or 12570 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 83257275 is about 9124.5424542823. The cubic root of 83257275 is about 436.6573057709.

The spelling of 83257275 in words is "eighty-three million, two hundred fifty-seven thousand, two hundred seventy-five".