254992839 has 8 divisors (see below), whose sum is σ = 341890560. Its totient is φ = 169045176.

The previous prime is 254992823. The next prime is 254992841. The reversal of 254992839 is 938299452.

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 254992839 - 2⁴ = 254992823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254992791 and 254992800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254992819) 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, 236887 + ... + 237960.

It is an arithmetic number, because the mean of its divisors is an integer number (42736320).

Almost surely, 2^254992839 is an apocalyptic number.

254992839 is a deficient number, since it is larger than the sum of its proper divisors (86897721).

254992839 is a wasteful number, since it uses less digits than its factorization.

254992839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475029.

The product of its digits is 1399680, while the sum is 51.

The square root of 254992839 is about 15968.4952014897. The cubic root of 254992839 is about 634.1266345047.

The spelling of 254992839 in words is "two hundred fifty-four million, nine hundred ninety-two thousand, eight hundred thirty-nine".