252221234351 has 2 divisors, whose sum is σ = 252221234352. Its totient is φ = 252221234350.

The previous prime is 252221234323. The next prime is 252221234357. The reversal of 252221234351 is 153432122252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252221234351 - 2¹⁸ = 252220972207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252221234357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126110617175 + 126110617176.

It is an arithmetic number, because the mean of its divisors is an integer number (126110617176).

Almost surely, 2^252221234351 is an apocalyptic number.

252221234351 is a deficient number, since it is larger than the sum of its proper divisors (1).

252221234351 is an equidigital number, since it uses as much as digits as its factorization.

252221234351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

The spelling of 252221234351 in words is "two hundred fifty-two billion, two hundred twenty-one million, two hundred thirty-four thousand, three hundred fifty-one".