254514989 has 2 divisors, whose sum is σ = 254514990. Its totient is φ = 254514988.

The previous prime is 254514983. The next prime is 254515021. The reversal of 254514989 is 989415452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245454889 + 9060100 = 15667^2 + 3010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254514989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254514983) 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, 127257494 + 127257495.

It is an arithmetic number, because the mean of its divisors is an integer number (127257495).

Almost surely, 2^254514989 is an apocalyptic number.

It is an amenable number.

254514989 is a deficient number, since it is larger than the sum of its proper divisors (1).

254514989 is an equidigital number, since it uses as much as digits as its factorization.

254514989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 47.

The square root of 254514989 is about 15953.5259112210. The cubic root of 254514989 is about 633.7302744957.

The spelling of 254514989 in words is "two hundred fifty-four million, five hundred fourteen thousand, nine hundred eighty-nine".