254812919 has 2 divisors, whose sum is σ = 254812920. Its totient is φ = 254812918.

The previous prime is 254812867. The next prime is 254812939. The reversal of 254812919 is 919218452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254812919 - 2²⁴ = 238035703 is a prime.

It is a super-2 number, since 2×254812919² = 129859247378601122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254812939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127406459 + 127406460.

It is an arithmetic number, because the mean of its divisors is an integer number (127406460).

Almost surely, 2^254812919 is an apocalyptic number.

254812919 is a deficient number, since it is larger than the sum of its proper divisors (1).

254812919 is an equidigital number, since it uses as much as digits as its factorization.

254812919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 41.

The square root of 254812919 is about 15962.8606145640. The cubic root of 254812919 is about 633.9774552715.

The spelling of 254812919 in words is "two hundred fifty-four million, eight hundred twelve thousand, nine hundred nineteen".