248599913 has 4 divisors (see below), whose sum is σ = 249640320. Its totient is φ = 247559508.

The previous prime is 248599909. The next prime is 248599927. The reversal of 248599913 is 319995842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248599913 - 2² = 248599909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248599903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519845 + ... + 520322.

It is an arithmetic number, because the mean of its divisors is an integer number (62410080).

Almost surely, 2^248599913 is an apocalyptic number.

It is an amenable number.

248599913 is a deficient number, since it is larger than the sum of its proper divisors (1040407).

248599913 is a wasteful number, since it uses less digits than its factorization.

248599913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040406.

The product of its digits is 699840, while the sum is 50.

The square root of 248599913 is about 15767.0514998842. The cubic root of 248599913 is about 628.7823233675.

The spelling of 248599913 in words is "two hundred forty-eight million, five hundred ninety-nine thousand, nine hundred thirteen".