64325477 has 2 divisors, whose sum is σ = 64325478. Its totient is φ = 64325476.

The previous prime is 64325461. The next prime is 64325489. The reversal of 64325477 is 77452346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64096036 + 229441 = 8006^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 64325477 - 2⁴ = 64325461 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64325477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64325407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32162738 + 32162739.

It is an arithmetic number, because the mean of its divisors is an integer number (32162739).

Almost surely, 2^64325477 is an apocalyptic number.

It is an amenable number.

64325477 is a deficient number, since it is larger than the sum of its proper divisors (1).

64325477 is an equidigital number, since it uses as much as digits as its factorization.

64325477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 38.

The square root of 64325477 is about 8020.3165149513. The cubic root of 64325477 is about 400.6769308487.

The spelling of 64325477 in words is "sixty-four million, three hundred twenty-five thousand, four hundred seventy-seven".