33057425 has 24 divisors (see below), whose sum is σ = 42553080. Its totient is φ = 25459200.

The previous prime is 33057421. The next prime is 33057461. The reversal of 33057425 is 52475033.

It can be written as a sum of positive squares in 12 ways, for example, as 7006609 + 26050816 = 2647^2 + 5104^2 .

It is not a de Polignac number, because 33057425 - 2² = 33057421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33057421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80621 + ... + 81029.

It is an arithmetic number, because the mean of its divisors is an integer number (1773045).

Almost surely, 2^33057425 is an apocalyptic number.

It is an amenable number.

33057425 is a deficient number, since it is larger than the sum of its proper divisors (9495655).

33057425 is a wasteful number, since it uses less digits than its factorization.

33057425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 33057425 is about 5749.5586787161. The cubic root of 33057425 is about 320.9393783744.

The spelling of 33057425 in words is "thirty-three million, fifty-seven thousand, four hundred twenty-five".