249483903 has 8 divisors (see below), whose sum is σ = 336074928. Its totient is φ = 164607744.

The previous prime is 249483901. The next prime is 249483911. The reversal of 249483903 is 309384942.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 249483903 - 2¹ = 249483901 is a prime.

It is a super-2 number, since 2×249483903² = 124484435712226818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249483901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428376 + ... + 428957.

It is an arithmetic number, because the mean of its divisors is an integer number (42009366).

Almost surely, 2^249483903 is an apocalyptic number.

249483903 is a deficient number, since it is larger than the sum of its proper divisors (86591025).

249483903 is an equidigital number, since it uses as much as digits as its factorization.

249483903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857433.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 249483903 is about 15795.0594490809. The cubic root of 249483903 is about 629.5267319886.

The spelling of 249483903 in words is "two hundred forty-nine million, four hundred eighty-three thousand, nine hundred three".