240027397 has 2 divisors, whose sum is σ = 240027398. Its totient is φ = 240027396.

The previous prime is 240027383. The next prime is 240027401. The reversal of 240027397 is 793720042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198218241 + 41809156 = 14079^2 + 6466^2 .

It is a cyclic number.

It is not a de Polignac number, because 240027397 - 2⁷ = 240027269 is a prime.

It is a super-2 number, since 2×240027397² = 115226302621191218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240027317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120013698 + 120013699.

It is an arithmetic number, because the mean of its divisors is an integer number (120013699).

Almost surely, 2^240027397 is an apocalyptic number.

It is an amenable number.

240027397 is a deficient number, since it is larger than the sum of its proper divisors (1).

240027397 is an equidigital number, since it uses as much as digits as its factorization.

240027397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 240027397 is about 15492.8175939691. The cubic root of 240027397 is about 621.4701471935.

The spelling of 240027397 in words is "two hundred forty million, twenty-seven thousand, three hundred ninety-seven".