254983019 has 4 divisors (see below), whose sum is σ = 256547496. Its totient is φ = 253418544.

The previous prime is 254983013. The next prime is 254983049. The reversal of 254983019 is 910389452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254983019 - 2¹² = 254978923 is a prime.

It is a super-2 number, since 2×254983019² = 130032679956708722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254983013) 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, 781994 + ... + 782319.

It is an arithmetic number, because the mean of its divisors is an integer number (64136874).

Almost surely, 2^254983019 is an apocalyptic number.

254983019 is a deficient number, since it is larger than the sum of its proper divisors (1564477).

254983019 is a wasteful number, since it uses less digits than its factorization.

254983019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564476.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 254983019 is about 15968.1877180850. The cubic root of 254983019 is about 634.1184941408.

The spelling of 254983019 in words is "two hundred fifty-four million, nine hundred eighty-three thousand, nineteen".