252891011 has 2 divisors, whose sum is σ = 252891012. Its totient is φ = 252891010.

The previous prime is 252890999. The next prime is 252891013. The reversal of 252891011 is 110198252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252891011 is a prime.

Together with 252891013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252891013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126445505 + 126445506.

It is an arithmetic number, because the mean of its divisors is an integer number (126445506).

Almost surely, 2^252891011 is an apocalyptic number.

252891011 is a deficient number, since it is larger than the sum of its proper divisors (1).

252891011 is an equidigital number, since it uses as much as digits as its factorization.

252891011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 252891011 is about 15902.5473116731. The cubic root of 252891011 is about 632.3795213876.

It can be divided in two parts, 2528 and 91011, that added together give a palindrome (93539).

The spelling of 252891011 in words is "two hundred fifty-two million, eight hundred ninety-one thousand, eleven".