663230425 has 24 divisors (see below), whose sum is σ = 966188160. Its totient is φ = 445243200.

The previous prime is 663230413. The next prime is 663230431. The reversal of 663230425 is 524032366.

It is a happy number.

663230425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663230425 - 2²⁵ = 629675993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89185 + ... + 96334.

It is an arithmetic number, because the mean of its divisors is an integer number (40257840).

Almost surely, 2^663230425 is an apocalyptic number.

663230425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

663230425 is a deficient number, since it is larger than the sum of its proper divisors (302957735).

663230425 is a wasteful number, since it uses less digits than its factorization.

663230425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185553 (or 185548 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 663230425 is about 25753.2604731906. The cubic root of 663230425 is about 872.0769617740.

The spelling of 663230425 in words is "six hundred sixty-three million, two hundred thirty thousand, four hundred twenty-five".