1252492403 has 2 divisors, whose sum is σ = 1252492404. Its totient is φ = 1252492402.

The previous prime is 1252492387. The next prime is 1252492453. The reversal of 1252492403 is 3042942521.

It is a weak prime.

It is an emirp because it is prime and its reverse (3042942521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252492403 - 2⁴ = 1252492387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252492403.

It is not a weakly prime, because it can be changed into another prime (1252492453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626246201 + 626246202.

It is an arithmetic number, because the mean of its divisors is an integer number (626246202).

Almost surely, 2^1252492403 is an apocalyptic number.

1252492403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252492403 is an equidigital number, since it uses as much as digits as its factorization.

1252492403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1252492403 is about 35390.5694076826. The cubic root of 1252492403 is about 1077.9328322824.

The spelling of 1252492403 in words is "one billion, two hundred fifty-two million, four hundred ninety-two thousand, four hundred three".