33499997 has 2 divisors, whose sum is σ = 33499998. Its totient is φ = 33499996.

The previous prime is 33499969. The next prime is 33500009. The reversal of 33499997 is 79999433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33477796 + 22201 = 5786^2 + 149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33499997 is a prime.

It is a super-2 number, since 2×33499997² = 2244499598000018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33499927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16749998 + 16749999.

It is an arithmetic number, because the mean of its divisors is an integer number (16749999).

Almost surely, 2^33499997 is an apocalyptic number.

It is an amenable number.

33499997 is a deficient number, since it is larger than the sum of its proper divisors (1).

33499997 is an equidigital number, since it uses as much as digits as its factorization.

33499997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 53.

The square root of 33499997 is about 5787.9181922346. The cubic root of 33499997 is about 322.3652767405.

The spelling of 33499997 in words is "thirty-three million, four hundred ninety-nine thousand, nine hundred ninety-seven".