249807379 has 2 divisors, whose sum is σ = 249807380. Its totient is φ = 249807378.

The previous prime is 249807373. The next prime is 249807403. The reversal of 249807379 is 973708942.

249807379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249807379 - 2¹⁵ = 249774611 is a prime.

It is not a weakly prime, because it can be changed into another prime (249807373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124903689 + 124903690.

It is an arithmetic number, because the mean of its divisors is an integer number (124903690).

Almost surely, 2^249807379 is an apocalyptic number.

249807379 is a deficient number, since it is larger than the sum of its proper divisors (1).

249807379 is an equidigital number, since it uses as much as digits as its factorization.

249807379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 249807379 is about 15805.2959162428. The cubic root of 249807379 is about 629.7986918754.

The spelling of 249807379 in words is "two hundred forty-nine million, eight hundred seven thousand, three hundred seventy-nine".