249012371 has 2 divisors, whose sum is σ = 249012372. Its totient is φ = 249012370.

The previous prime is 249012359. The next prime is 249012389. The reversal of 249012371 is 173210942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249012371 - 2⁶ = 249012307 is a prime.

It is a super-2 number, since 2×249012371² = 124014321822083282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (249012301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124506185 + 124506186.

It is an arithmetic number, because the mean of its divisors is an integer number (124506186).

Almost surely, 2^249012371 is an apocalyptic number.

249012371 is a deficient number, since it is larger than the sum of its proper divisors (1).

249012371 is an equidigital number, since it uses as much as digits as its factorization.

249012371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 249012371 is about 15780.1258233260. The cubic root of 249012371 is about 629.1298737740.

It can be divided in two parts, 24901 and 2371, that added together give a palindrome (27272).

The spelling of 249012371 in words is "two hundred forty-nine million, twelve thousand, three hundred seventy-one".