1253513413 has 2 divisors, whose sum is σ = 1253513414. Its totient is φ = 1253513412.

The previous prime is 1253513389. The next prime is 1253513419. The reversal of 1253513413 is 3143153521.

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., 780755364 + 472758049 = 27942^2 + 21743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253513413 - 2⁵ = 1253513381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253513419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626756706 + 626756707.

It is an arithmetic number, because the mean of its divisors is an integer number (626756707).

Almost surely, 2^1253513413 is an apocalyptic number.

It is an amenable number.

1253513413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253513413 is an equidigital number, since it uses as much as digits as its factorization.

1253513413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 1253513413 is about 35404.9913571519. The cubic root of 1253513413 is about 1078.2256567540.

Adding to 1253513413 its reverse (3143153521), we get a palindrome (4396666934).

The spelling of 1253513413 in words is "one billion, two hundred fifty-three million, five hundred thirteen thousand, four hundred thirteen".