33380425 has 24 divisors (see below), whose sum is σ = 44858240. Its totient is φ = 24494400.

The previous prime is 33380377. The next prime is 33380447. The reversal of 33380425 is 52408333.

It is not a de Polignac number, because 33380425 - 2⁷ = 33380297 is a prime.

It is a super-2 number, since 2×33380425² = 2228505546361250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33380393 and 33380402.

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, 87886 + ... + 88264.

Almost surely, 2^33380425 is an apocalyptic number.

It is an amenable number.

33380425 is a deficient number, since it is larger than the sum of its proper divisors (11477815).

33380425 is a wasteful number, since it uses less digits than its factorization.

33380425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 33380425 is about 5777.5795104871. The cubic root of 33380425 is about 321.9812785690.

Adding to 33380425 its reverse (52408333), we get a palindrome (85788758).

The spelling of 33380425 in words is "thirty-three million, three hundred eighty thousand, four hundred twenty-five".