249264233 has 2 divisors, whose sum is σ = 249264234. Its totient is φ = 249264232.

The previous prime is 249264221. The next prime is 249264269. The reversal of 249264233 is 332462942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178569769 + 70694464 = 13363^2 + 8408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249264233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249264193 and 249264202.

It is not a weakly prime, because it can be changed into another prime (249264733) 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, 124632116 + 124632117.

It is an arithmetic number, because the mean of its divisors is an integer number (124632117).

Almost surely, 2^249264233 is an apocalyptic number.

It is an amenable number.

249264233 is a deficient number, since it is larger than the sum of its proper divisors (1).

249264233 is an equidigital number, since it uses as much as digits as its factorization.

249264233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

The square root of 249264233 is about 15788.1041610448. The cubic root of 249264233 is about 629.3419121227.

The spelling of 249264233 in words is "two hundred forty-nine million, two hundred sixty-four thousand, two hundred thirty-three".