63231375 has 16 divisors (see below), whose sum is σ = 105217632. Its totient is φ = 33723200.

The previous prime is 63231367. The next prime is 63231383. The reversal of 63231375 is 57313236.

It is an interprime number because it is at equal distance from previous prime (63231367) and next prime (63231383).

It is not a de Polignac number, because 63231375 - 2³ = 63231367 is a prime.

It is a congruent number.

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, 83934 + ... + 84683.

It is an arithmetic number, because the mean of its divisors is an integer number (6576102).

Almost surely, 2^63231375 is an apocalyptic number.

63231375 is a deficient number, since it is larger than the sum of its proper divisors (41986257).

63231375 is a wasteful number, since it uses less digits than its factorization.

63231375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168635 (or 168625 counting only the distinct ones).

The product of its digits is 11340, while the sum is 30.

The square root of 63231375 is about 7951.8158303623. The cubic root of 63231375 is about 398.3922443794.

The spelling of 63231375 in words is "sixty-three million, two hundred thirty-one thousand, three hundred seventy-five".