63157005 has 12 divisors (see below), whose sum is σ = 109472220. Its totient is φ = 33683712.

The previous prime is 63156997. The next prime is 63157019. The reversal of 63157005 is 50075136.

It can be written as a sum of positive squares in 2 ways, for example, as 19873764 + 43283241 = 4458^2 + 6579^2 .

It is not a de Polignac number, because 63157005 - 2³ = 63156997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63157005.

It is a congruent 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, 701700 + ... + 701789.

It is an arithmetic number, because the mean of its divisors is an integer number (9122685).

Almost surely, 2^63157005 is an apocalyptic number.

It is an amenable number.

63157005 is a deficient number, since it is larger than the sum of its proper divisors (46315215).

63157005 is a wasteful number, since it uses less digits than its factorization.

63157005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403500 (or 1403497 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 63157005 is about 7947.1381641444. The cubic root of 63157005 is about 398.2359925466.

The spelling of 63157005 in words is "sixty-three million, one hundred fifty-seven thousand, five".