240506269 has 2 divisors, whose sum is σ = 240506270. Its totient is φ = 240506268.

The previous prime is 240506221. The next prime is 240506291. The reversal of 240506269 is 962605042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144720900 + 95785369 = 12030^2 + 9787^2 .

It is a cyclic number.

It is not a de Polignac number, because 240506269 - 2⁷ = 240506141 is a prime.

It is a super-2 number, since 2×240506269² = 115686530856600722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240506069) 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, 120253134 + 120253135.

It is an arithmetic number, because the mean of its divisors is an integer number (120253135).

Almost surely, 2^240506269 is an apocalyptic number.

It is an amenable number.

240506269 is a deficient number, since it is larger than the sum of its proper divisors (1).

240506269 is an equidigital number, since it uses as much as digits as its factorization.

240506269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 240506269 is about 15508.2645386258. The cubic root of 240506269 is about 621.8831652640.

The spelling of 240506269 in words is "two hundred forty million, five hundred six thousand, two hundred sixty-nine".