240637249 has 2 divisors, whose sum is σ = 240637250. Its totient is φ = 240637248.

The previous prime is 240637231. The next prime is 240637277. The reversal of 240637249 is 942736042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147379600 + 93257649 = 12140^2 + 9657^2 .

It is a cyclic number.

It is not a de Polignac number, because 240637249 - 2⁷ = 240637121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240637289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120318624 + 120318625.

It is an arithmetic number, because the mean of its divisors is an integer number (120318625).

Almost surely, 2^240637249 is an apocalyptic number.

It is an amenable number.

240637249 is a deficient number, since it is larger than the sum of its proper divisors (1).

240637249 is an equidigital number, since it uses as much as digits as its factorization.

240637249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 240637249 is about 15512.4868734836. The cubic root of 240637249 is about 621.9960375467.

The spelling of 240637249 in words is "two hundred forty million, six hundred thirty-seven thousand, two hundred forty-nine".