1252301400433 has 2 divisors, whose sum is σ = 1252301400434. Its totient is φ = 1252301400432.

The previous prime is 1252301400407. The next prime is 1252301400451. The reversal of 1252301400433 is 3340041032521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1152213321744 + 100088078689 = 1073412^2 + 316367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252301400433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252301800433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626150700216 + 626150700217.

It is an arithmetic number, because the mean of its divisors is an integer number (626150700217).

Almost surely, 2^{1252301400433} is an apocalyptic number.

It is an amenable number.

1252301400433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252301400433 is an equidigital number, since it uses as much as digits as its factorization.

1252301400433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1252301400433 its reverse (3340041032521), we get a palindrome (4592342432954).

The spelling of 1252301400433 in words is "one trillion, two hundred fifty-two billion, three hundred one million, four hundred thousand, four hundred thirty-three".