240592021 has 2 divisors, whose sum is σ = 240592022. Its totient is φ = 240592020.

The previous prime is 240591947. The next prime is 240592043. The reversal of 240592021 is 120295042.

240592021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240591121 + 900 = 15511^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 240592021 - 2¹⁹ = 240067733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240592081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120296010 + 120296011.

It is an arithmetic number, because the mean of its divisors is an integer number (120296011).

Almost surely, 2^240592021 is an apocalyptic number.

It is an amenable number.

240592021 is a deficient number, since it is larger than the sum of its proper divisors (1).

240592021 is an equidigital number, since it uses as much as digits as its factorization.

240592021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 240592021 is about 15511.0290116420. The cubic root of 240592021 is about 621.9570668560.

The spelling of 240592021 in words is "two hundred forty million, five hundred ninety-two thousand, twenty-one".