1253113523 has 2 divisors, whose sum is σ = 1253113524. Its totient is φ = 1253113522.

The previous prime is 1253113513. The next prime is 1253113541. The reversal of 1253113523 is 3253113521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253113523 - 2⁴ = 1253113507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253113492 and 1253113501.

It is not a weakly prime, because it can be changed into another prime (1253113513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626556761 + 626556762.

It is an arithmetic number, because the mean of its divisors is an integer number (626556762).

Almost surely, 2^1253113523 is an apocalyptic number.

1253113523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253113523 is an equidigital number, since it uses as much as digits as its factorization.

1253113523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 1253113523 is about 35399.3435391110. The cubic root of 1253113523 is about 1078.1109877201.

The spelling of 1253113523 in words is "one billion, two hundred fifty-three million, one hundred thirteen thousand, five hundred twenty-three".