63961045 has 16 divisors (see below), whose sum is σ = 81067392. Its totient is φ = 48347200.

The previous prime is 63961039. The next prime is 63961061. The reversal of 63961045 is 54016936.

It is not a de Polignac number, because 63961045 - 2⁵ = 63961013 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 63961045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6195 + ... + 12895.

It is an arithmetic number, because the mean of its divisors is an integer number (5066712).

Almost surely, 2^63961045 is an apocalyptic number.

It is an amenable number.

63961045 is a deficient number, since it is larger than the sum of its proper divisors (17106347).

63961045 is a wasteful number, since it uses less digits than its factorization.

63961045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 63961045 is about 7997.5649419058. The cubic root of 63961045 is about 399.9188272786.

The spelling of 63961045 in words is "sixty-three million, nine hundred sixty-one thousand, forty-five".