63745051 has 4 divisors (see below), whose sum is σ = 63808992. Its totient is φ = 63681112.

The previous prime is 63745027. The next prime is 63745067. The reversal of 63745051 is 15054736.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63745051 - 2⁹ = 63744539 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63745001) 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, 30451 + ... + 32476.

It is an arithmetic number, because the mean of its divisors is an integer number (15952248).

Almost surely, 2^63745051 is an apocalyptic number.

63745051 is a deficient number, since it is larger than the sum of its proper divisors (63941).

63745051 is a wasteful number, since it uses less digits than its factorization.

63745051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63940.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 63745051 is about 7984.0497869189. The cubic root of 63745051 is about 399.4681494008.

Adding to 63745051 its reverse (15054736), we get a palindrome (78799787).

The spelling of 63745051 in words is "sixty-three million, seven hundred forty-five thousand, fifty-one".