240862493 has 2 divisors, whose sum is σ = 240862494. Its totient is φ = 240862492.

The previous prime is 240862483. The next prime is 240862499. The reversal of 240862493 is 394268042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232318564 + 8543929 = 15242^2 + 2923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240862493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240862499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120431246 + 120431247.

It is an arithmetic number, because the mean of its divisors is an integer number (120431247).

Almost surely, 2^240862493 is an apocalyptic number.

It is an amenable number.

240862493 is a deficient number, since it is larger than the sum of its proper divisors (1).

240862493 is an equidigital number, since it uses as much as digits as its factorization.

240862493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 240862493 is about 15519.7452620847. The cubic root of 240862493 is about 622.1900462824.

The spelling of 240862493 in words is "two hundred forty million, eight hundred sixty-two thousand, four hundred ninety-three".