1252840033 has 2 divisors, whose sum is σ = 1252840034. Its totient is φ = 1252840032.

The previous prime is 1252840027. The next prime is 1252840079. The reversal of 1252840033 is 3300482521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1246654864 + 6185169 = 35308^2 + 2487^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252840033 - 2⁹ = 1252839521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252839983 and 1252840010.

It is not a weakly prime, because it can be changed into another prime (1252841033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626420016 + 626420017.

It is an arithmetic number, because the mean of its divisors is an integer number (626420017).

Almost surely, 2^1252840033 is an apocalyptic number.

It is an amenable number.

1252840033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252840033 is an equidigital number, since it uses as much as digits as its factorization.

1252840033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1252840033 is about 35395.4804035770. The cubic root of 1252840033 is about 1078.0325500203.

The spelling of 1252840033 in words is "one billion, two hundred fifty-two million, eight hundred forty thousand, thirty-three".