33997741 has 2 divisors, whose sum is σ = 33997742. Its totient is φ = 33997740.

The previous prime is 33997723. The next prime is 33997753. The reversal of 33997741 is 14779933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24542116 + 9455625 = 4954^2 + 3075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33997741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33997721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16998870 + 16998871.

It is an arithmetic number, because the mean of its divisors is an integer number (16998871).

Almost surely, 2^33997741 is an apocalyptic number.

It is an amenable number.

33997741 is a deficient number, since it is larger than the sum of its proper divisors (1).

33997741 is an equidigital number, since it uses as much as digits as its factorization.

33997741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 43.

The square root of 33997741 is about 5830.7581839757. The cubic root of 33997741 is about 323.9540051815.

The spelling of 33997741 in words is "thirty-three million, nine hundred ninety-seven thousand, seven hundred forty-one".