64253235 has 16 divisors (see below), whose sum is σ = 106122240. Its totient is φ = 33162720.

The previous prime is 64253227. The next prime is 64253243. The reversal of 64253235 is 53235246.

It is an interprime number because it is at equal distance from previous prime (64253227) and next prime (64253243).

It is not a de Polignac number, because 64253235 - 2³ = 64253227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68625 + ... + 69554.

It is an arithmetic number, because the mean of its divisors is an integer number (6632640).

Almost surely, 2^64253235 is an apocalyptic number.

64253235 is a deficient number, since it is larger than the sum of its proper divisors (41869005).

64253235 is a wasteful number, since it uses less digits than its factorization.

64253235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138218.

The product of its digits is 21600, while the sum is 30.

The square root of 64253235 is about 8015.8115621564. The cubic root of 64253235 is about 400.5268786093.

The spelling of 64253235 in words is "sixty-four million, two hundred fifty-three thousand, two hundred thirty-five".