252110401 has 2 divisors, whose sum is σ = 252110402. Its totient is φ = 252110400.

The previous prime is 252110399. The next prime is 252110423. The reversal of 252110401 is 104011252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212722225 + 39388176 = 14585^2 + 6276^2 .

It is a cyclic number.

It is not a de Polignac number, because 252110401 - 2¹ = 252110399 is a prime.

Together with 252110399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252110431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126055200 + 126055201.

It is an arithmetic number, because the mean of its divisors is an integer number (126055201).

Almost surely, 2^252110401 is an apocalyptic number.

It is an amenable number.

252110401 is a deficient number, since it is larger than the sum of its proper divisors (1).

252110401 is an equidigital number, since it uses as much as digits as its factorization.

252110401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 252110401 is about 15877.9847902686. The cubic root of 252110401 is about 631.7281860364.

Adding to 252110401 its reverse (104011252), we get a palindrome (356121653).

The spelling of 252110401 in words is "two hundred fifty-two million, one hundred ten thousand, four hundred one".