63385157 has 4 divisors (see below), whose sum is σ = 69147456. Its totient is φ = 57622860.

The previous prime is 63385123. The next prime is 63385193. The reversal of 63385157 is 75158336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63385157 - 2¹⁸ = 63123013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63385157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63385457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2881133 + ... + 2881154.

It is an arithmetic number, because the mean of its divisors is an integer number (17286864).

Almost surely, 2^63385157 is an apocalyptic number.

It is an amenable number.

63385157 is a deficient number, since it is larger than the sum of its proper divisors (5762299).

63385157 is a wasteful number, since it uses less digits than its factorization.

63385157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762298.

The product of its digits is 75600, while the sum is 38.

The square root of 63385157 is about 7961.4795735466. The cubic root of 63385157 is about 398.7149531407.

The spelling of 63385157 in words is "sixty-three million, three hundred eighty-five thousand, one hundred fifty-seven".