254248839 has 18 divisors (see below), whose sum is σ = 397673640. Its totient is φ = 156459888.

The previous prime is 254248811. The next prime is 254248849. The reversal of 254248839 is 938842452.

It is not a de Polignac number, because 254248839 - 2⁵ = 254248807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254248794 and 254248803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254248849) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 82059 + ... + 85100.

It is an arithmetic number, because the mean of its divisors is an integer number (22092980).

Almost surely, 2^254248839 is an apocalyptic number.

254248839 is a deficient number, since it is larger than the sum of its proper divisors (143424801).

254248839 is a wasteful number, since it uses less digits than its factorization.

254248839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167191 (or 167175 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 254248839 is about 15945.1823131628. The cubic root of 254248839 is about 633.5092971510.

The spelling of 254248839 in words is "two hundred fifty-four million, two hundred forty-eight thousand, eight hundred thirty-nine".