63157017 has 32 divisors (see below), whose sum is σ = 106066944. Its totient is φ = 32472000.

The previous prime is 63156997. The next prime is 63157019. The reversal of 63157017 is 71075136.

It is not a de Polignac number, because 63157017 - 2⁶ = 63156953 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (63157019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21978 + ... + 24684.

It is an arithmetic number, because the mean of its divisors is an integer number (3314592).

Almost surely, 2^63157017 is an apocalyptic number.

It is an amenable number.

63157017 is a deficient number, since it is larger than the sum of its proper divisors (42909927).

63157017 is a wasteful number, since it uses less digits than its factorization.

63157017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 63157017 is about 7947.1389191331. The cubic root of 63157017 is about 398.2360177685.

It can be divided in two parts, 63 and 157017, that added together give a triangular number (157080 = T₅₆₀).

The spelling of 63157017 in words is "sixty-three million, one hundred fifty-seven thousand, seventeen".