249937463 has 2 divisors, whose sum is σ = 249937464. Its totient is φ = 249937462.

The previous prime is 249937459. The next prime is 249937483. The reversal of 249937463 is 364739942.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249937463 - 2² = 249937459 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249937423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124968731 + 124968732.

It is an arithmetic number, because the mean of its divisors is an integer number (124968732).

Almost surely, 2^249937463 is an apocalyptic number.

249937463 is a deficient number, since it is larger than the sum of its proper divisors (1).

249937463 is an equidigital number, since it uses as much as digits as its factorization.

249937463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 47.

The square root of 249937463 is about 15809.4105835733. The cubic root of 249937463 is about 629.9079927785.

The spelling of 249937463 in words is "two hundred forty-nine million, nine hundred thirty-seven thousand, four hundred sixty-three".