33375413 has 2 divisors, whose sum is σ = 33375414. Its totient is φ = 33375412.

The previous prime is 33375409. The next prime is 33375421. The reversal of 33375413 is 31457333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32467204 + 908209 = 5698^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 33375413 - 2² = 33375409 is a prime.

It is a super-2 number, since 2×33375413² = 2227836385841138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33375493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16687706 + 16687707.

It is an arithmetic number, because the mean of its divisors is an integer number (16687707).

Almost surely, 2^33375413 is an apocalyptic number.

It is an amenable number.

33375413 is a deficient number, since it is larger than the sum of its proper divisors (1).

33375413 is an equidigital number, since it uses as much as digits as its factorization.

33375413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 29.

The square root of 33375413 is about 5777.1457485509. The cubic root of 33375413 is about 321.9651628270.

It can be divided in two parts, 33375 and 413, that multiplied together give a triangular number (13783875 = T₅₂₅₀).

The spelling of 33375413 in words is "thirty-three million, three hundred seventy-five thousand, four hundred thirteen".