1253025413 has 2 divisors, whose sum is σ = 1253025414. Its totient is φ = 1253025412.

The previous prime is 1253025407. The next prime is 1253025451. The reversal of 1253025413 is 3145203521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1251532129 + 1493284 = 35377^2 + 1222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253025413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253025463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626512706 + 626512707.

It is an arithmetic number, because the mean of its divisors is an integer number (626512707).

Almost surely, 2^1253025413 is an apocalyptic number.

It is an amenable number.

1253025413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253025413 is an equidigital number, since it uses as much as digits as its factorization.

1253025413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1253025413 is about 35398.0990026301. The cubic root of 1253025413 is about 1078.0857187710.

Adding to 1253025413 its reverse (3145203521), we get a palindrome (4398228934).

The spelling of 1253025413 in words is "one billion, two hundred fifty-three million, twenty-five thousand, four hundred thirteen".