33474997 has 2 divisors, whose sum is σ = 33474998. Its totient is φ = 33474996.

The previous prime is 33474977. The next prime is 33475003. The reversal of 33474997 is 79947433.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31427236 + 2047761 = 5606^2 + 1431^2 .

It is an emirp because it is prime and its reverse (79947433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33474997 - 2⁷ = 33474869 is a prime.

It is a super-2 number, since 2×33474997² = 2241150848300018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33474937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16737498 + 16737499.

It is an arithmetic number, because the mean of its divisors is an integer number (16737499).

Almost surely, 2^33474997 is an apocalyptic number.

It is an amenable number.

33474997 is a deficient number, since it is larger than the sum of its proper divisors (1).

33474997 is an equidigital number, since it uses as much as digits as its factorization.

33474997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 33474997 is about 5785.7581179997. The cubic root of 33474997 is about 322.2850664098.

The spelling of 33474997 in words is "thirty-three million, four hundred seventy-four thousand, nine hundred ninety-seven".