249992627 has 2 divisors, whose sum is σ = 249992628. Its totient is φ = 249992626.

The previous prime is 249992591. The next prime is 249992641. The reversal of 249992627 is 726299942.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249992627 - 2⁸ = 249992371 is a prime.

It is a super-2 number, since 2×249992627² = 124992627108722258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (249992657) 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, 124996313 + 124996314.

It is an arithmetic number, because the mean of its divisors is an integer number (124996314).

Almost surely, 2^249992627 is an apocalyptic number.

249992627 is a deficient number, since it is larger than the sum of its proper divisors (1).

249992627 is an equidigital number, since it uses as much as digits as its factorization.

249992627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 249992627 is about 15811.1551443909. The cubic root of 249992627 is about 629.9543319546.

The spelling of 249992627 in words is "two hundred forty-nine million, nine hundred ninety-two thousand, six hundred twenty-seven".