63215275 has 12 divisors (see below), whose sum is σ = 78486544. Its totient is φ = 50508000.

The previous prime is 63215267. The next prime is 63215281. The reversal of 63215275 is 57251236.

It is not a de Polignac number, because 63215275 - 2³ = 63215267 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33610 + ... + 35440.

Almost surely, 2^63215275 is an apocalyptic number.

63215275 is a deficient number, since it is larger than the sum of its proper divisors (15271269).

63215275 is a wasteful number, since it uses less digits than its factorization.

63215275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222 (or 3217 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 63215275 is about 7950.8034185232. The cubic root of 63215275 is about 398.3584285740.

The spelling of 63215275 in words is "sixty-three million, two hundred fifteen thousand, two hundred seventy-five".