1253790451 has 2 divisors, whose sum is σ = 1253790452. Its totient is φ = 1253790450.

The previous prime is 1253790397. The next prime is 1253790457. The reversal of 1253790451 is 1540973521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1253790451 - 2¹⁵ = 1253757683 is a prime.

It is a super-3 number, since 3×1253790451³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1253790451.

It is not a weakly prime, because it can be changed into another prime (1253790457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626895225 + 626895226.

It is an arithmetic number, because the mean of its divisors is an integer number (626895226).

Almost surely, 2^1253790451 is an apocalyptic number.

1253790451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253790451 is an equidigital number, since it uses as much as digits as its factorization.

1253790451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1253790451 is about 35408.9035554619. The cubic root of 1253790451 is about 1078.3050835006.

The spelling of 1253790451 in words is "one billion, two hundred fifty-three million, seven hundred ninety thousand, four hundred fifty-one".