83257265 has 32 divisors (see below), whose sum is σ = 125991936. Its totient is φ = 51402240.

The previous prime is 83257261. The next prime is 83257271. The reversal of 83257265 is 56275238.

It is not a de Polignac number, because 83257265 - 2² = 83257261 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (83257261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16424 + ... + 20886.

It is an arithmetic number, because the mean of its divisors is an integer number (3937248).

Almost surely, 2^83257265 is an apocalyptic number.

It is an amenable number.

83257265 is a deficient number, since it is larger than the sum of its proper divisors (42734671).

83257265 is a wasteful number, since it uses less digits than its factorization.

83257265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529.

The product of its digits is 100800, while the sum is 38.

The square root of 83257265 is about 9124.5419063096. The cubic root of 83257265 is about 436.6572882886.

The spelling of 83257265 in words is "eighty-three million, two hundred fifty-seven thousand, two hundred sixty-five".