33485021 has 2 divisors, whose sum is σ = 33485022. Its totient is φ = 33485020.

The previous prime is 33484999. The next prime is 33485047. The reversal of 33485021 is 12058433.

It is an a-pointer prime, because the next prime (33485047) can be obtained adding 33485021 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33477796 + 7225 = 5786^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 33485021 - 2¹⁰ = 33483997 is a prime.

It is a super-2 number, since 2×33485021² = 2242493262740882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33485051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16742510 + 16742511.

It is an arithmetic number, because the mean of its divisors is an integer number (16742511).

Almost surely, 2^33485021 is an apocalyptic number.

It is an amenable number.

33485021 is a deficient number, since it is larger than the sum of its proper divisors (1).

33485021 is an equidigital number, since it uses as much as digits as its factorization.

33485021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 33485021 is about 5786.6243182014. The cubic root of 33485021 is about 322.3172323385.

The spelling of 33485021 in words is "thirty-three million, four hundred eighty-five thousand, twenty-one".