254849863 has 4 divisors (see below), whose sum is σ = 260776648. Its totient is φ = 248923080.

The previous prime is 254849857. The next prime is 254849879. The reversal of 254849863 is 368948452.

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-254849863 is a prime.

It is a super-2 number, since 2×254849863² = 129896905342237538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254849263) 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, 2963328 + ... + 2963413.

It is an arithmetic number, because the mean of its divisors is an integer number (65194162).

Almost surely, 2^254849863 is an apocalyptic number.

254849863 is a deficient number, since it is larger than the sum of its proper divisors (5926785).

254849863 is an equidigital number, since it uses as much as digits as its factorization.

254849863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926784.

The product of its digits is 1658880, while the sum is 49.

The square root of 254849863 is about 15964.0177586972. The cubic root of 254849863 is about 634.0080928223.

The spelling of 254849863 in words is "two hundred fifty-four million, eight hundred forty-nine thousand, eight hundred sixty-three".