253373903 has 4 divisors (see below), whose sum is σ = 254891280. Its totient is φ = 251856528.

The previous prime is 253373893. The next prime is 253373917. The reversal of 253373903 is 309373352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253373903 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 (253373803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758438 + ... + 758771.

It is an arithmetic number, because the mean of its divisors is an integer number (63722820).

Almost surely, 2^253373903 is an apocalyptic number.

253373903 is a deficient number, since it is larger than the sum of its proper divisors (1517377).

253373903 is a wasteful number, since it uses less digits than its factorization.

253373903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517376.

The product of its (nonzero) digits is 51030, while the sum is 35.

The square root of 253373903 is about 15917.7229213226. The cubic root of 253373903 is about 632.7817722087.

The spelling of 253373903 in words is "two hundred fifty-three million, three hundred seventy-three thousand, nine hundred three".