64225079 has 4 divisors (see below), whose sum is σ = 64453920. Its totient is φ = 63996240.

The previous prime is 64225069. The next prime is 64225093. The reversal of 64225079 is 97052246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97052246 = 2 ⋅48526123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64225079 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 (64225069) 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, 113999 + ... + 114560.

It is an arithmetic number, because the mean of its divisors is an integer number (16113480).

Almost surely, 2^64225079 is an apocalyptic number.

64225079 is a deficient number, since it is larger than the sum of its proper divisors (228841).

64225079 is a wasteful number, since it uses less digits than its factorization.

64225079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228840.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 64225079 is about 8014.0550909012. The cubic root of 64225079 is about 400.4683659526.

The spelling of 64225079 in words is "sixty-four million, two hundred twenty-five thousand, seventy-nine".