83213265 has 16 divisors (see below), whose sum is σ = 135975168. Its totient is φ = 43435776.

The previous prime is 83213257. The next prime is 83213281. The reversal of 83213265 is 56231238.

It is not a de Polignac number, because 83213265 - 2³ = 83213257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58312 + ... + 59721.

It is an arithmetic number, because the mean of its divisors is an integer number (8498448).

Almost surely, 2^83213265 is an apocalyptic number.

It is an amenable number.

83213265 is a deficient number, since it is larger than the sum of its proper divisors (52761903).

83213265 is a wasteful number, since it uses less digits than its factorization.

83213265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118088.

The product of its digits is 8640, while the sum is 30.

The square root of 83213265 is about 9122.1305077268. The cubic root of 83213265 is about 436.5803528354.

The spelling of 83213265 in words is "eighty-three million, two hundred thirteen thousand, two hundred sixty-five".