2249963257 has 2 divisors, whose sum is σ = 2249963258. Its totient is φ = 2249963256.

The previous prime is 2249963251. The next prime is 2249963267. The reversal of 2249963257 is 7523699422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1434061161 + 815902096 = 37869^2 + 28564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249963257 - 2¹⁵ = 2249930489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2249963257.

It is not a weakly prime, because it can be changed into another prime (2249963251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124981628 + 1124981629.

It is an arithmetic number, because the mean of its divisors is an integer number (1124981629).

Almost surely, 2^2249963257 is an apocalyptic number.

It is an amenable number.

2249963257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249963257 is an equidigital number, since it uses as much as digits as its factorization.

2249963257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The square root of 2249963257 is about 47433.7775957176. Note that the first 3 decimals coincide. The cubic root of 2249963257 is about 1310.3635641841.

The spelling of 2249963257 in words is "two billion, two hundred forty-nine million, nine hundred sixty-three thousand, two hundred fifty-seven".