64164225 has 36 divisors (see below), whose sum is σ = 108629456. Its totient is φ = 33411840.

The previous prime is 64164209. The next prime is 64164241. The reversal of 64164225 is 52246146.

It is an interprime number because it is at equal distance from previous prime (64164209) and next prime (64164241).

It is not a de Polignac number, because 64164225 - 2⁴ = 64164209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64164192 and 64164201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 567769 + ... + 567881.

Almost surely, 2^64164225 is an apocalyptic number.

It is an amenable number.

64164225 is a deficient number, since it is larger than the sum of its proper divisors (44465231).

64164225 is a wasteful number, since it uses less digits than its factorization.

64164225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 188 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 64164225 is about 8010.2574864982. The cubic root of 64164225 is about 400.3418431915.

The spelling of 64164225 in words is "sixty-four million, one hundred sixty-four thousand, two hundred twenty-five".