83215275 has 48 divisors (see below), whose sum is σ = 161656320. Its totient is φ = 37238400.

The previous prime is 83215271. The next prime is 83215309. The reversal of 83215275 is 57251238.

It is not a de Polignac number, because 83215275 - 2² = 83215271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (83215271) 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, 6846 + ... + 14604.

It is an arithmetic number, because the mean of its divisors is an integer number (3367840).

Almost surely, 2^83215275 is an apocalyptic number.

83215275 is a deficient number, since it is larger than the sum of its proper divisors (78441045).

83215275 is a wasteful number, since it uses less digits than its factorization.

83215275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796 (or 7791 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 83215275 is about 9122.2406786929. The cubic root of 83215275 is about 436.5838679779.

The spelling of 83215275 in words is "eighty-three million, two hundred fifteen thousand, two hundred seventy-five".