33252551 has 2 divisors, whose sum is σ = 33252552. Its totient is φ = 33252550.

The previous prime is 33252523. The next prime is 33252559. The reversal of 33252551 is 15525233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33252551 - 2⁶ = 33252487 is a prime.

It is a super-2 number, since 2×33252551² = 2211464296015202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33252551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33252559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16626275 + 16626276.

It is an arithmetic number, because the mean of its divisors is an integer number (16626276).

Almost surely, 2^33252551 is an apocalyptic number.

33252551 is a deficient number, since it is larger than the sum of its proper divisors (1).

33252551 is an equidigital number, since it uses as much as digits as its factorization.

33252551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 26.

The square root of 33252551 is about 5766.5024928461. The cubic root of 33252551 is about 321.5696029484.

Adding to 33252551 its reverse (15525233), we get a palindrome (48777784).

The spelling of 33252551 in words is "thirty-three million, two hundred fifty-two thousand, five hundred fifty-one".