64954253 has 20 divisors (see below), whose sum is σ = 81643548. Its totient is φ = 51367680.

The previous prime is 64954237. The next prime is 64954259. The reversal of 64954253 is 35245946.

It can be written as a sum of positive squares in 2 ways, for example, as 16540489 + 48413764 = 4067^2 + 6958^2 .

It is not a de Polignac number, because 64954253 - 2⁴ = 64954237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64954259) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30173 + ... + 32253.

Almost surely, 2^64954253 is an apocalyptic number.

It is an amenable number.

64954253 is a deficient number, since it is larger than the sum of its proper divisors (16689295).

64954253 is an equidigital number, since it uses as much as digits as its factorization.

64954253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 2101 counting only the distinct ones).

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

The square root of 64954253 is about 8059.4201404319. The cubic root of 64954253 is about 401.9782274950.

The spelling of 64954253 in words is "sixty-four million, nine hundred fifty-four thousand, two hundred fifty-three".