183997425 has 24 divisors (see below), whose sum is σ = 320222560. Its totient is φ = 92966400.

The previous prime is 183997417. The next prime is 183997453. The reversal of 183997425 is 524799381.

It is not a de Polignac number, because 183997425 - 2³ = 183997417 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, 63136 + ... + 65985.

Almost surely, 2^183997425 is an apocalyptic number.

183997425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

183997425 is a deficient number, since it is larger than the sum of its proper divisors (136225135).

183997425 is a wasteful number, since it uses less digits than its factorization.

183997425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129153 (or 129148 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 183997425 is about 13564.5650501592. The cubic root of 183997425 is about 568.7707427125.

The spelling of 183997425 in words is "one hundred eighty-three million, nine hundred ninety-seven thousand, four hundred twenty-five".