33413425 has 12 divisors (see below), whose sum is σ = 41823216. Its totient is φ = 26478800.

The previous prime is 33413417. The next prime is 33413437. The reversal of 33413425 is 52431433.

It is not a de Polignac number, because 33413425 - 2³ = 33413417 is a prime.

It is a super-2 number, since 2×33413425² = 2232913940461250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33413425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3571 + ... + 8920.

It is an arithmetic number, because the mean of its divisors is an integer number (3485268).

Almost surely, 2^33413425 is an apocalyptic number.

It is an amenable number.

33413425 is a deficient number, since it is larger than the sum of its proper divisors (8409791).

33413425 is a wasteful number, since it uses less digits than its factorization.

33413425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12608 (or 12603 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 33413425 is about 5780.4346722370. The cubic root of 33413425 is about 322.0873475469.

Adding to 33413425 its reverse (52431433), we get a palindrome (85844858).

The spelling of 33413425 in words is "thirty-three million, four hundred thirteen thousand, four hundred twenty-five".