64292131 has 4 divisors (see below), whose sum is σ = 64433272. Its totient is φ = 64150992.

The previous prime is 64292119. The next prime is 64292149. The reversal of 64292131 is 13129246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64292131 - 2¹⁷ = 64161059 is a prime.

It is a super-2 number, since 2×64292131² = 8266956217042322, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 64292131 parts by 11339 straight cuts.

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 64292131.

It is not an unprimeable number, because it can be changed into a prime (64242131) 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, 69885 + ... + 70798.

It is an arithmetic number, because the mean of its divisors is an integer number (16108318).

Almost surely, 2^64292131 is an apocalyptic number.

64292131 is a deficient number, since it is larger than the sum of its proper divisors (141141).

64292131 is a wasteful number, since it uses less digits than its factorization.

64292131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141140.

The product of its digits is 2592, while the sum is 28.

The square root of 64292131 is about 8018.2373998280. The cubic root of 64292131 is about 400.6076825872.

The spelling of 64292131 in words is "sixty-four million, two hundred ninety-two thousand, one hundred thirty-one".