633385425 has 96 divisors (see below), whose sum is σ = 1163675520. Its totient is φ = 302745600.

The previous prime is 633385421. The next prime is 633385471. The reversal of 633385425 is 524583336.

It is not a de Polignac number, because 633385425 - 2² = 633385421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (633385421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2161579 + ... + 2161871.

It is an arithmetic number, because the mean of its divisors is an integer number (12121620).

Almost surely, 2^633385425 is an apocalyptic number.

It is an amenable number.

633385425 is a deficient number, since it is larger than the sum of its proper divisors (530290095).

633385425 is a wasteful number, since it uses less digits than its factorization.

633385425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 398 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 633385425 is about 25167.1497194259. The cubic root of 633385425 is about 858.7946992321.

The spelling of 633385425 in words is "six hundred thirty-three million, three hundred eighty-five thousand, four hundred twenty-five".