82690501 has 4 divisors (see below), whose sum is σ = 82995904. Its totient is φ = 82385100.

The previous prime is 82690459. The next prime is 82690511. The reversal of 82690501 is 10509628.

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 82690501 - 2¹¹ = 82688453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82690511) 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, 152295 + ... + 152836.

It is an arithmetic number, because the mean of its divisors is an integer number (20748976).

Almost surely, 2^82690501 is an apocalyptic number.

It is an amenable number.

82690501 is a deficient number, since it is larger than the sum of its proper divisors (305403).

82690501 is a wasteful number, since it uses less digits than its factorization.

82690501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305402.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 82690501 is about 9093.4317504449. The cubic root of 82690501 is about 435.6642004497.

The spelling of 82690501 in words is "eighty-two million, six hundred ninety thousand, five hundred one".