240395801 has 2 divisors, whose sum is σ = 240395802. Its totient is φ = 240395800.

The previous prime is 240395791. The next prime is 240395879. The reversal of 240395801 is 108593042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166435801 + 73960000 = 12901^2 + 8600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240395801 is a prime.

It is a super-2 number, since 2×240395801² = 115580282276863202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240398801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120197900 + 120197901.

It is an arithmetic number, because the mean of its divisors is an integer number (120197901).

Almost surely, 2^240395801 is an apocalyptic number.

It is an amenable number.

240395801 is a deficient number, since it is larger than the sum of its proper divisors (1).

240395801 is an equidigital number, since it uses as much as digits as its factorization.

240395801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 240395801 is about 15504.7025447120. The cubic root of 240395801 is about 621.7879373787.

The spelling of 240395801 in words is "two hundred forty million, three hundred ninety-five thousand, eight hundred one".