254254619 has 2 divisors, whose sum is σ = 254254620. Its totient is φ = 254254618.

The previous prime is 254254613. The next prime is 254254667. The reversal of 254254619 is 916452452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254254619 is a prime.

It is a super-2 number, since 2×254254619² = 129290822565670322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (254254613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127127309 + 127127310.

It is an arithmetic number, because the mean of its divisors is an integer number (127127310).

Almost surely, 2^254254619 is an apocalyptic number.

254254619 is a deficient number, since it is larger than the sum of its proper divisors (1).

254254619 is an equidigital number, since it uses as much as digits as its factorization.

254254619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 254254619 is about 15945.3635581005. The cubic root of 254254619 is about 633.5140977708.

The spelling of 254254619 in words is "two hundred fifty-four million, two hundred fifty-four thousand, six hundred nineteen".