64357253 has 2 divisors, whose sum is σ = 64357254. Its totient is φ = 64357252.

The previous prime is 64357231. The next prime is 64357277. The reversal of 64357253 is 35275346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53904964 + 10452289 = 7342^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 64357253 - 2²⁴ = 47580037 is a prime.

It is a Chen prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64357213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32178626 + 32178627.

It is an arithmetic number, because the mean of its divisors is an integer number (32178627).

Almost surely, 2^64357253 is an apocalyptic number.

It is an amenable number.

64357253 is a deficient number, since it is larger than the sum of its proper divisors (1).

64357253 is an equidigital number, since it uses as much as digits as its factorization.

64357253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 64357253 is about 8022.2972395692. The cubic root of 64357253 is about 400.7428964912.

The spelling of 64357253 in words is "sixty-four million, three hundred fifty-seven thousand, two hundred fifty-three".