63740125 has 8 divisors (see below), whose sum is σ = 79547832. Its totient is φ = 50992000.

The previous prime is 63740113. The next prime is 63740137. The reversal of 63740125 is 52104736.

It is an interprime number because it is at equal distance from previous prime (63740113) and next prime (63740137).

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 63568729 = 414^2 + 7973^2 .

It is not a de Polignac number, because 63740125 - 2⁵ = 63740093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63740093 and 63740102.

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, 254836 + ... + 255085.

It is an arithmetic number, because the mean of its divisors is an integer number (9943479).

Almost surely, 2^63740125 is an apocalyptic number.

It is an amenable number.

63740125 is a deficient number, since it is larger than the sum of its proper divisors (15807707).

63740125 is an equidigital number, since it uses as much as digits as its factorization.

63740125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509936 (or 509926 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 63740125 is about 7983.7412908986. The cubic root of 63740125 is about 399.4578592906.

The spelling of 63740125 in words is "sixty-three million, seven hundred forty thousand, one hundred twenty-five".