240601987 has 2 divisors, whose sum is σ = 240601988. Its totient is φ = 240601986.

The previous prime is 240601979. The next prime is 240601993. The reversal of 240601987 is 789106042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240601987 - 2³ = 240601979 is a prime.

It is a super-2 number, since 2×240601987² = 115778632296696338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240601957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120300993 + 120300994.

It is an arithmetic number, because the mean of its divisors is an integer number (120300994).

Almost surely, 2^240601987 is an apocalyptic number.

240601987 is a deficient number, since it is larger than the sum of its proper divisors (1).

240601987 is an equidigital number, since it uses as much as digits as its factorization.

240601987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 240601987 is about 15511.3502635973. The cubic root of 240601987 is about 621.9656544760.

The spelling of 240601987 in words is "two hundred forty million, six hundred one thousand, nine hundred eighty-seven".