33468521 has 2 divisors, whose sum is σ = 33468522. Its totient is φ = 33468520.

The previous prime is 33468503. The next prime is 33468541. The reversal of 33468521 is 12586433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17106496 + 16362025 = 4136^2 + 4045^2 .

It is a cyclic number.

It is not a de Polignac number, because 33468521 - 2¹⁴ = 33452137 is a prime.

It is a super-2 number, since 2×33468521² = 2240283795854882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33468541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16734260 + 16734261.

It is an arithmetic number, because the mean of its divisors is an integer number (16734261).

Almost surely, 2^33468521 is an apocalyptic number.

It is an amenable number.

33468521 is a deficient number, since it is larger than the sum of its proper divisors (1).

33468521 is an equidigital number, since it uses as much as digits as its factorization.

33468521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 33468521 is about 5785.1984408489. The cubic root of 33468521 is about 322.2642822139.

The spelling of 33468521 in words is "thirty-three million, four hundred sixty-eight thousand, five hundred twenty-one".