82351397 has 4 divisors (see below), whose sum is σ = 82502496. Its totient is φ = 82200300.

The previous prime is 82351393. The next prime is 82351427. The reversal of 82351397 is 79315328.

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 82351397 - 2² = 82351393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82351397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82351393) 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, 74729 + ... + 75822.

It is an arithmetic number, because the mean of its divisors is an integer number (20625624).

Almost surely, 2^82351397 is an apocalyptic number.

It is an amenable number.

82351397 is a deficient number, since it is larger than the sum of its proper divisors (151099).

82351397 is a wasteful number, since it uses less digits than its factorization.

82351397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151098.

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

The square root of 82351397 is about 9074.7670493517. The cubic root of 82351397 is about 435.0678486673.

The spelling of 82351397 in words is "eighty-two million, three hundred fifty-one thousand, three hundred ninety-seven".