240435497 has 2 divisors, whose sum is σ = 240435498. Its totient is φ = 240435496.

The previous prime is 240435493. The next prime is 240435499. The reversal of 240435497 is 794534042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164762896 + 75672601 = 12836^2 + 8699^2 .

It is a cyclic number.

It is not a de Polignac number, because 240435497 - 2² = 240435493 is a prime.

Together with 240435499, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240435497.

It is not a weakly prime, because it can be changed into another prime (240435493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120217748 + 120217749.

It is an arithmetic number, because the mean of its divisors is an integer number (120217749).

Almost surely, 2^240435497 is an apocalyptic number.

It is an amenable number.

240435497 is a deficient number, since it is larger than the sum of its proper divisors (1).

240435497 is an equidigital number, since it uses as much as digits as its factorization.

240435497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 240435497 is about 15505.9826196214. The cubic root of 240435497 is about 621.8221602941.

The spelling of 240435497 in words is "two hundred forty million, four hundred thirty-five thousand, four hundred ninety-seven".