1252361349 has 6 divisors (see below), whose sum is σ = 1808966406. Its totient is φ = 834907560.

The previous prime is 1252361329. The next prime is 1252361381. The reversal of 1252361349 is 9431632521.

1252361349 is a `hidden beast` number, since 1 + 252 + 3 + 61 + 349 = 666.

It can be written as a sum of positive squares in only one way, i.e., 827712900 + 424648449 = 28770^2 + 20607^2 .

It is not a de Polignac number, because 1252361349 - 2⁸ = 1252361093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252361329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69575622 + ... + 69575639.

It is an arithmetic number, because the mean of its divisors is an integer number (301494401).

Almost surely, 2^1252361349 is an apocalyptic number.

It is an amenable number.

1252361349 is a deficient number, since it is larger than the sum of its proper divisors (556605057).

1252361349 is a wasteful number, since it uses less digits than its factorization.

1252361349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139151267 (or 139151264 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 1252361349 is about 35388.7178207971. The cubic root of 1252361349 is about 1077.8952346260.

The spelling of 1252361349 in words is "one billion, two hundred fifty-two million, three hundred sixty-one thousand, three hundred forty-nine".