63115245 has 24 divisors (see below), whose sum is σ = 115159200. Its totient is φ = 31889376.

The previous prime is 63115231. The next prime is 63115259. The reversal of 63115245 is 54251136.

63115245 is a `hidden beast` number, since 631 + 1 + 5 + 24 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (63115231) and next prime (63115259).

It is not a de Polignac number, because 63115245 - 2⁶ = 63115181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36055 + ... + 37764.

It is an arithmetic number, because the mean of its divisors is an integer number (4798300).

Almost surely, 2^63115245 is an apocalyptic number.

It is an amenable number.

63115245 is a deficient number, since it is larger than the sum of its proper divisors (52043955).

63115245 is a wasteful number, since it uses less digits than its factorization.

63115245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73849 (or 73846 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 63115245 is about 7944.5103688018. The cubic root of 63115245 is about 398.1482007449.

It can be divided in two parts, 631 and 15245, that added together give a square (15876 = 126²).

The spelling of 63115245 in words is "sixty-three million, one hundred fifteen thousand, two hundred forty-five".