33125025 has 12 divisors (see below), whose sum is σ = 54766832. Its totient is φ = 17666640.

The previous prime is 33125009. The next prime is 33125041. The reversal of 33125025 is 52052133.

It is an interprime number because it is at equal distance from previous prime (33125009) and next prime (33125041).

It is not a de Polignac number, because 33125025 - 2⁴ = 33125009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33124992 and 33125010.

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, 220759 + ... + 220908.

Almost surely, 2^33125025 is an apocalyptic number.

It is an amenable number.

33125025 is a deficient number, since it is larger than the sum of its proper divisors (21641807).

33125025 is a wasteful number, since it uses less digits than its factorization.

33125025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441680 (or 441675 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 33125025 is about 5755.4343884715. The cubic root of 33125025 is about 321.1579952225.

Adding to 33125025 its reverse (52052133), we get a palindrome (85177158).

The spelling of 33125025 in words is "thirty-three million, one hundred twenty-five thousand, twenty-five".