240262387 has 2 divisors, whose sum is σ = 240262388. Its totient is φ = 240262386.

The previous prime is 240262357. The next prime is 240262397. The reversal of 240262387 is 783262042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240262387 - 2⁷ = 240262259 is a prime.

It is not a weakly prime, because it can be changed into another prime (240262357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120131193 + 120131194.

It is an arithmetic number, because the mean of its divisors is an integer number (120131194).

Almost surely, 2^240262387 is an apocalyptic number.

240262387 is a deficient number, since it is larger than the sum of its proper divisors (1).

240262387 is an equidigital number, since it uses as much as digits as its factorization.

240262387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 240262387 is about 15500.3995754948. The cubic root of 240262387 is about 621.6728902130.

The spelling of 240262387 in words is "two hundred forty million, two hundred sixty-two thousand, three hundred eighty-seven".