63767125 has 8 divisors (see below), whose sum is σ = 79581528. Its totient is φ = 51013600.

The previous prime is 63767107. The next prime is 63767147. The reversal of 63767125 is 52176736.

It can be written as a sum of positive squares in 4 ways, for example, as 10666756 + 53100369 = 3266^2 + 7287^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63767125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254944 + ... + 255193.

It is an arithmetic number, because the mean of its divisors is an integer number (9947691).

Almost surely, 2^63767125 is an apocalyptic number.

It is an amenable number.

63767125 is a deficient number, since it is larger than the sum of its proper divisors (15814403).

63767125 is an equidigital number, since it uses as much as digits as its factorization.

63767125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510152 (or 510142 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 63767125 is about 7985.4320484242. The cubic root of 63767125 is about 399.5142541161.

The spelling of 63767125 in words is "sixty-three million, seven hundred sixty-seven thousand, one hundred twenty-five".