64253577 has 8 divisors (see below), whose sum is σ = 85760064. Its totient is φ = 42791408.

The previous prime is 64253561. The next prime is 64253587. The reversal of 64253577 is 77535246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64253577 - 2⁴ = 64253561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64253587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7533 + ... + 13610.

It is an arithmetic number, because the mean of its divisors is an integer number (10720008).

Almost surely, 2^64253577 is an apocalyptic number.

It is an amenable number.

64253577 is a deficient number, since it is larger than the sum of its proper divisors (21506487).

64253577 is a wasteful number, since it uses less digits than its factorization.

64253577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22159.

The product of its digits is 176400, while the sum is 39.

The square root of 64253577 is about 8015.8328949648. The cubic root of 64253577 is about 400.5275892347.

The spelling of 64253577 in words is "sixty-four million, two hundred fifty-three thousand, five hundred seventy-seven".