240412993 has 2 divisors, whose sum is σ = 240412994. Its totient is φ = 240412992.

The previous prime is 240412981. The next prime is 240413011. The reversal of 240412993 is 399214042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237683889 + 2729104 = 15417^2 + 1652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240412993 is a prime.

It is not a weakly prime, because it can be changed into another prime (240412973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120206496 + 120206497.

It is an arithmetic number, because the mean of its divisors is an integer number (120206497).

Almost surely, 2^240412993 is an apocalyptic number.

It is an amenable number.

240412993 is a deficient number, since it is larger than the sum of its proper divisors (1).

240412993 is an equidigital number, since it uses as much as digits as its factorization.

240412993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 240412993 is about 15505.2569472421. The cubic root of 240412993 is about 621.8027594948.

The spelling of 240412993 in words is "two hundred forty million, four hundred twelve thousand, nine hundred ninety-three".