63485715 has 16 divisors (see below), whose sum is σ = 103009536. Its totient is φ = 33381600.

The previous prime is 63485713. The next prime is 63485731. The reversal of 63485715 is 51758436.

It is not a de Polignac number, because 63485715 - 2¹ = 63485713 is a prime.

It is a super-2 number, since 2×63485715² = 8060872018122450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63485713) 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, 28741 + ... + 30870.

It is an arithmetic number, because the mean of its divisors is an integer number (6438096).

Almost surely, 2^63485715 is an apocalyptic number.

63485715 is a deficient number, since it is larger than the sum of its proper divisors (39523821).

63485715 is a wasteful number, since it uses less digits than its factorization.

63485715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59690.

The product of its digits is 100800, while the sum is 39.

The square root of 63485715 is about 7967.7923542221. The cubic root of 63485715 is about 398.9256901456.

The spelling of 63485715 in words is "sixty-three million, four hundred eighty-five thousand, seven hundred fifteen".