1252168433 has 2 divisors, whose sum is σ = 1252168434. Its totient is φ = 1252168432.

The previous prime is 1252168417. The next prime is 1252168451. The reversal of 1252168433 is 3348612521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1179441649 + 72726784 = 34343^2 + 8528^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252168433 - 2⁴ = 1252168417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252168393 and 1252168402.

It is not a weakly prime, because it can be changed into another prime (1252168403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626084216 + 626084217.

It is an arithmetic number, because the mean of its divisors is an integer number (626084217).

Almost surely, 2^1252168433 is an apocalyptic number.

It is an amenable number.

1252168433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252168433 is an equidigital number, since it uses as much as digits as its factorization.

1252168433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 1252168433 is about 35385.9920448756. The cubic root of 1252168433 is about 1077.8398848088.

The spelling of 1252168433 in words is "one billion, two hundred fifty-two million, one hundred sixty-eight thousand, four hundred thirty-three".