63157065 has 16 divisors (see below), whose sum is σ = 101825856. Its totient is φ = 33425600.

The previous prime is 63157063. The next prime is 63157093. The reversal of 63157065 is 56075136.

It is not a de Polignac number, because 63157065 - 2¹ = 63157063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63157063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14106 + ... + 18035.

It is an arithmetic number, because the mean of its divisors is an integer number (6364116).

Almost surely, 2^63157065 is an apocalyptic number.

It is an amenable number.

63157065 is a deficient number, since it is larger than the sum of its proper divisors (38668791).

63157065 is a wasteful number, since it uses less digits than its factorization.

63157065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32280.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 63157065 is about 7947.1419390873. The cubic root of 63157065 is about 398.2361186564.

The spelling of 63157065 in words is "sixty-three million, one hundred fifty-seven thousand, sixty-five".