64592243 has 4 divisors (see below), whose sum is σ = 64685088. Its totient is φ = 64499400.

The previous prime is 64592233. The next prime is 64592249. The reversal of 64592243 is 34229546.

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 64592243 - 2¹⁸ = 64330099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64592249) 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, 45371 + ... + 46772.

It is an arithmetic number, because the mean of its divisors is an integer number (16171272).

Almost surely, 2^64592243 is an apocalyptic number.

64592243 is a deficient number, since it is larger than the sum of its proper divisors (92845).

64592243 is an equidigital number, since it uses as much as digits as its factorization.

64592243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92844.

The product of its digits is 51840, while the sum is 35.

The square root of 64592243 is about 8036.9299486807. The cubic root of 64592243 is about 401.2300531293.

The spelling of 64592243 in words is "sixty-four million, five hundred ninety-two thousand, two hundred forty-three".