64359425 has 18 divisors (see below), whose sum is σ = 86422482. Its totient is φ = 47523840.

The previous prime is 64359419. The next prime is 64359443. The reversal of 64359425 is 52495346.

It can be written as a sum of positive squares in 9 ways, for example, as 51940849 + 12418576 = 7207^2 + 3524^2 .

It is not a de Polignac number, because 64359425 - 2²² = 60165121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3392 + ... + 11841.

It is an arithmetic number, because the mean of its divisors is an integer number (4801249).

Almost surely, 2^64359425 is an apocalyptic number.

64359425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64359425 is a deficient number, since it is larger than the sum of its proper divisors (22063057).

64359425 is a wasteful number, since it uses less digits than its factorization.

64359425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15269 (or 15251 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 64359425 is about 8022.4326111224. The cubic root of 64359425 is about 400.7474046791.

The spelling of 64359425 in words is "sixty-four million, three hundred fifty-nine thousand, four hundred twenty-five".