240495971 has 2 divisors, whose sum is σ = 240495972. Its totient is φ = 240495970.

The previous prime is 240495961. The next prime is 240496001. The reversal of 240495971 is 179594042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240495971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240495961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120247985 + 120247986.

It is an arithmetic number, because the mean of its divisors is an integer number (120247986).

Almost surely, 2^240495971 is an apocalyptic number.

240495971 is a deficient number, since it is larger than the sum of its proper divisors (1).

240495971 is an equidigital number, since it uses as much as digits as its factorization.

240495971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 240495971 is about 15507.9325185532. The cubic root of 240495971 is about 621.8742892040.

The spelling of 240495971 in words is "two hundred forty million, four hundred ninety-five thousand, nine hundred seventy-one".