240509341 has 2 divisors, whose sum is σ = 240509342. Its totient is φ = 240509340.

The previous prime is 240509323. The next prime is 240509351. The reversal of 240509341 is 143905042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124322500 + 116186841 = 11150^2 + 10779^2 .

It is a cyclic number.

It is not a de Polignac number, because 240509341 - 2⁵ = 240509309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240509351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120254670 + 120254671.

It is an arithmetic number, because the mean of its divisors is an integer number (120254671).

Almost surely, 2^240509341 is an apocalyptic number.

It is an amenable number.

240509341 is a deficient number, since it is larger than the sum of its proper divisors (1).

240509341 is an equidigital number, since it uses as much as digits as its factorization.

240509341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 240509341 is about 15508.3635822739. The cubic root of 240509341 is about 621.8858130356.

The spelling of 240509341 in words is "two hundred forty million, five hundred nine thousand, three hundred forty-one".