64322051 has 4 divisors (see below), whose sum is σ = 64344504. Its totient is φ = 64299600.

The previous prime is 64321987. The next prime is 64322057. The reversal of 64322051 is 15022346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15022346 = 2 ⋅7511173.

It is a cyclic number.

It is not a de Polignac number, because 64322051 - 2⁶ = 64321987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64322057) 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, 6170 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (16086126).

Almost surely, 2^64322051 is an apocalyptic number.

64322051 is a deficient number, since it is larger than the sum of its proper divisors (22453).

64322051 is a wasteful number, since it uses less digits than its factorization.

64322051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22452.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 64322051 is about 8020.1029295141. The cubic root of 64322051 is about 400.6698173192.

Adding to 64322051 its reverse (15022346), we get a palindrome (79344397).

The spelling of 64322051 in words is "sixty-four million, three hundred twenty-two thousand, fifty-one".