33242047 has 2 divisors, whose sum is σ = 33242048. Its totient is φ = 33242046.

The previous prime is 33242009. The next prime is 33242059. The reversal of 33242047 is 74024233.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33242047 is a prime.

It is a super-2 number, since 2×33242047² = 2210067377500418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33242087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621023 + 16621024.

It is an arithmetic number, because the mean of its divisors is an integer number (16621024).

Almost surely, 2^33242047 is an apocalyptic number.

33242047 is a deficient number, since it is larger than the sum of its proper divisors (1).

33242047 is an equidigital number, since it uses as much as digits as its factorization.

33242047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 33242047 is about 5765.5916435349. The cubic root of 33242047 is about 321.5357396534.

The spelling of 33242047 in words is "thirty-three million, two hundred forty-two thousand, forty-seven".