63051945 has 32 divisors (see below), whose sum is σ = 113857920. Its totient is φ = 29514240.

The previous prime is 63051931. The next prime is 63051971. The reversal of 63051945 is 54915036.

It is a happy number.

It is not a de Polignac number, because 63051945 - 2⁵ = 63051913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1804 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (3558060).

Almost surely, 2^63051945 is an apocalyptic number.

It is an amenable number.

63051945 is a deficient number, since it is larger than the sum of its proper divisors (50805975).

63051945 is a wasteful number, since it uses less digits than its factorization.

63051945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 63051945 is about 7940.5254863894. The cubic root of 63051945 is about 398.0150516601.

The spelling of 63051945 in words is "sixty-three million, fifty-one thousand, nine hundred forty-five".