1253880253 has 4 divisors (see below), whose sum is σ = 1268987328. Its totient is φ = 1238773180.

The previous prime is 1253880247. The next prime is 1253880269. The reversal of 1253880253 is 3520883521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1253880253 - 2²⁹ = 717009341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253880853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7553413 + ... + 7553578.

It is an arithmetic number, because the mean of its divisors is an integer number (317246832).

Almost surely, 2^1253880253 is an apocalyptic number.

It is an amenable number.

1253880253 is a deficient number, since it is larger than the sum of its proper divisors (15107075).

1253880253 is an equidigital number, since it uses as much as digits as its factorization.

1253880253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15107074.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1253880253 is about 35410.1716036508. The cubic root of 1253880253 is about 1078.3308272074.

The spelling of 1253880253 in words is "one billion, two hundred fifty-three million, eight hundred eighty thousand, two hundred fifty-three".