33424969 has 2 divisors, whose sum is σ = 33424970. Its totient is φ = 33424968.

The previous prime is 33424961. The next prime is 33424973. The reversal of 33424969 is 96942433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31360000 + 2064969 = 5600^2 + 1437^2 .

It is a cyclic number.

It is not a de Polignac number, because 33424969 - 2³ = 33424961 is a prime.

It is a super-2 number, since 2×33424969² = 2234457105301922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33424961) 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 as a sum of consecutive naturals, namely, 16712484 + 16712485.

It is an arithmetic number, because the mean of its divisors is an integer number (16712485).

Almost surely, 2^33424969 is an apocalyptic number.

It is an amenable number.

33424969 is a deficient number, since it is larger than the sum of its proper divisors (1).

33424969 is an equidigital number, since it uses as much as digits as its factorization.

33424969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 33424969 is about 5781.4331268294. The cubic root of 33424969 is about 322.1244359150.

The spelling of 33424969 in words is "thirty-three million, four hundred twenty-four thousand, nine hundred sixty-nine".