252233043401 has 2 divisors, whose sum is σ = 252233043402. Its totient is φ = 252233043400.

The previous prime is 252233043373. The next prime is 252233043457. The reversal of 252233043401 is 104340332252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127217055625 + 125015987776 = 356675^2 + 353576^2 .

It is a cyclic number.

It is not a de Polignac number, because 252233043401 - 2³⁴ = 235053174217 is a prime.

It is not a weakly prime, because it can be changed into another prime (252233043481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126116521700 + 126116521701.

It is an arithmetic number, because the mean of its divisors is an integer number (126116521701).

Almost surely, 2^252233043401 is an apocalyptic number.

It is an amenable number.

252233043401 is a deficient number, since it is larger than the sum of its proper divisors (1).

252233043401 is an equidigital number, since it uses as much as digits as its factorization.

252233043401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 252233043401 its reverse (104340332252), we get a palindrome (356573375653).

The spelling of 252233043401 in words is "two hundred fifty-two billion, two hundred thirty-three million, forty-three thousand, four hundred one".