33985425 has 36 divisors (see below), whose sum is σ = 57923376. Its totient is φ = 17582400.

The previous prime is 33985417. The next prime is 33985459. The reversal of 33985425 is 52458933.

It is not a de Polignac number, because 33985425 - 2³ = 33985417 is a prime.

It is a super-2 number, since 2×33985425² = 2310018224861250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102510 + ... + 102840.

Almost surely, 2^33985425 is an apocalyptic number.

It is an amenable number.

33985425 is a deficient number, since it is larger than the sum of its proper divisors (23937951).

33985425 is a wasteful number, since it uses less digits than its factorization.

33985425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 376 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 33985425 is about 5829.7019649378. The cubic root of 33985425 is about 323.9148819997.

The spelling of 33985425 in words is "thirty-three million, nine hundred eighty-five thousand, four hundred twenty-five".