254612989 has 2 divisors, whose sum is σ = 254612990. Its totient is φ = 254612988.

The previous prime is 254612903. The next prime is 254613031. The reversal of 254612989 is 989216452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142993764 + 111619225 = 11958^2 + 10565^2 .

It is a cyclic number.

It is not a de Polignac number, because 254612989 - 2¹⁷ = 254481917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254612089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127306494 + 127306495.

It is an arithmetic number, because the mean of its divisors is an integer number (127306495).

Almost surely, 2^254612989 is an apocalyptic number.

It is an amenable number.

254612989 is a deficient number, since it is larger than the sum of its proper divisors (1).

254612989 is an equidigital number, since it uses as much as digits as its factorization.

254612989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 254612989 is about 15956.5970369625. The cubic root of 254612989 is about 633.8116025119.

The spelling of 254612989 in words is "two hundred fifty-four million, six hundred twelve thousand, nine hundred eighty-nine".