2257403903 has 2 divisors, whose sum is σ = 2257403904. Its totient is φ = 2257403902.

The previous prime is 2257403887. The next prime is 2257403959. The reversal of 2257403903 is 3093047522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2257403903 - 2⁴ = 2257403887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257403983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128701951 + 1128701952.

It is an arithmetic number, because the mean of its divisors is an integer number (1128701952).

Almost surely, 2^2257403903 is an apocalyptic number.

2257403903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257403903 is an equidigital number, since it uses as much as digits as its factorization.

2257403903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 2257403903 is about 47512.1447947785. The cubic root of 2257403903 is about 1311.8064356566.

The spelling of 2257403903 in words is "two billion, two hundred fifty-seven million, four hundred three thousand, nine hundred three".