82902401 has 4 divisors (see below), whose sum is σ = 85576704. Its totient is φ = 80228100.

The previous prime is 82902397. The next prime is 82902431. The reversal of 82902401 is 10420928.

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 82902401 - 2² = 82902397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82902431) 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, 1337105 + ... + 1337166.

It is an arithmetic number, because the mean of its divisors is an integer number (21394176).

Almost surely, 2^82902401 is an apocalyptic number.

It is an amenable number.

82902401 is a deficient number, since it is larger than the sum of its proper divisors (2674303).

82902401 is a wasteful number, since it uses less digits than its factorization.

82902401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674302.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 82902401 is about 9105.0755625640. The cubic root of 82902401 is about 436.0360226809.

The spelling of 82902401 in words is "eighty-two million, nine hundred two thousand, four hundred one".