63158265 has 32 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 33584832.

The previous prime is 63158239. The next prime is 63158273. The reversal of 63158265 is 56285136.

It is not a de Polignac number, because 63158265 - 2¹¹ = 63156217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78847 + ... + 79643.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 2^63158265 is an apocalyptic number.

It is an amenable number.

63158265 is a deficient number, since it is larger than the sum of its proper divisors (49455495).

63158265 is a wasteful number, since it uses less digits than its factorization.

63158265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1392 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 63158265 is about 7947.2174375690. The cubic root of 63158265 is about 398.2386408356.

The spelling of 63158265 in words is "sixty-three million, one hundred fifty-eight thousand, two hundred sixty-five".