250514989 has 2 divisors, whose sum is σ = 250514990. Its totient is φ = 250514988.

The previous prime is 250514977. The next prime is 250515007. The reversal of 250514989 is 989415052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246176100 + 4338889 = 15690^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 250514989 - 2²⁷ = 116297261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250514189) 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, 125257494 + 125257495.

It is an arithmetic number, because the mean of its divisors is an integer number (125257495).

Almost surely, 2^250514989 is an apocalyptic number.

It is an amenable number.

250514989 is a deficient number, since it is larger than the sum of its proper divisors (1).

250514989 is an equidigital number, since it uses as much as digits as its factorization.

250514989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 250514989 is about 15827.6653047757. The cubic root of 250514989 is about 630.3927919206.

The spelling of 250514989 in words is "two hundred fifty million, five hundred fourteen thousand, nine hundred eighty-nine".