63430625 has 10 divisors (see below), whose sum is σ = 79263690. Its totient is φ = 50744000.

The previous prime is 63430613. The next prime is 63430637. The reversal of 63430625 is 52603436.

It is an interprime number because it is at equal distance from previous prime (63430613) and next prime (63430637).

It can be written as a sum of positive squares in 5 ways, for example, as 18861649 + 44568976 = 4343^2 + 6676^2 .

It is not a de Polignac number, because 63430625 - 2¹² = 63426529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50120 + ... + 51369.

It is an arithmetic number, because the mean of its divisors is an integer number (7926369).

Almost surely, 2^63430625 is an apocalyptic number.

It is an amenable number.

63430625 is a deficient number, since it is larger than the sum of its proper divisors (15833065).

63430625 is an equidigital number, since it uses as much as digits as its factorization.

63430625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101509 (or 101494 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 63430625 is about 7964.3345610289. The cubic root of 63430625 is about 398.8102669298.

The spelling of 63430625 in words is "sixty-three million, four hundred thirty thousand, six hundred twenty-five".