249914893 has 2 divisors, whose sum is σ = 249914894. Its totient is φ = 249914892.

The previous prime is 249914881. The next prime is 249914921. The reversal of 249914893 is 398419942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206841924 + 43072969 = 14382^2 + 6563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249914893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249914813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124957446 + 124957447.

It is an arithmetic number, because the mean of its divisors is an integer number (124957447).

Almost surely, 2^249914893 is an apocalyptic number.

It is an amenable number.

249914893 is a deficient number, since it is larger than the sum of its proper divisors (1).

249914893 is an equidigital number, since it uses as much as digits as its factorization.

249914893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 49.

The square root of 249914893 is about 15808.6967521045. The cubic root of 249914893 is about 629.8890314335.

The spelling of 249914893 in words is "two hundred forty-nine million, nine hundred fourteen thousand, eight hundred ninety-three".