240273797 has 2 divisors, whose sum is σ = 240273798. Its totient is φ = 240273796.

The previous prime is 240273793. The next prime is 240273811. The reversal of 240273797 is 797372042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234518596 + 5755201 = 15314^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 240273797 - 2² = 240273793 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240273793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120136898 + 120136899.

It is an arithmetic number, because the mean of its divisors is an integer number (120136899).

Almost surely, 2^240273797 is an apocalyptic number.

It is an amenable number.

240273797 is a deficient number, since it is larger than the sum of its proper divisors (1).

240273797 is an equidigital number, since it uses as much as digits as its factorization.

240273797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 240273797 is about 15500.7676261532. The cubic root of 240273797 is about 621.6827310867.

The spelling of 240273797 in words is "two hundred forty million, two hundred seventy-three thousand, seven hundred ninety-seven".