82713953 has 4 divisors (see below), whose sum is σ = 94530240. Its totient is φ = 70897668.

The previous prime is 82713949. The next prime is 82713977. The reversal of 82713953 is 35931728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82713953 - 2² = 82713949 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82713913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5908133 + ... + 5908146.

It is an arithmetic number, because the mean of its divisors is an integer number (23632560).

Almost surely, 2^82713953 is an apocalyptic number.

It is an amenable number.

82713953 is a deficient number, since it is larger than the sum of its proper divisors (11816287).

82713953 is a wasteful number, since it uses less digits than its factorization.

82713953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11816286.

The product of its digits is 45360, while the sum is 38.

The square root of 82713953 is about 9094.7211612012. The cubic root of 82713953 is about 435.7053830561.

The spelling of 82713953 in words is "eighty-two million, seven hundred thirteen thousand, nine hundred fifty-three".