249614389 has 2 divisors, whose sum is σ = 249614390. Its totient is φ = 249614388.

The previous prime is 249614357. The next prime is 249614429. The reversal of 249614389 is 983416942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194602500 + 55011889 = 13950^2 + 7417^2 .

It is a cyclic number.

It is not a de Polignac number, because 249614389 - 2⁵ = 249614357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249611389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124807194 + 124807195.

It is an arithmetic number, because the mean of its divisors is an integer number (124807195).

Almost surely, 2^249614389 is an apocalyptic number.

It is an amenable number.

249614389 is a deficient number, since it is larger than the sum of its proper divisors (1).

249614389 is an equidigital number, since it uses as much as digits as its factorization.

249614389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 249614389 is about 15799.1895045284. The cubic root of 249614389 is about 629.6364653317.

The spelling of 249614389 in words is "two hundred forty-nine million, six hundred fourteen thousand, three hundred eighty-nine".