244881697 has 2 divisors, whose sum is σ = 244881698. Its totient is φ = 244881696.

The previous prime is 244881629. The next prime is 244881727. The reversal of 244881697 is 796188442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244328161 + 553536 = 15631^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 244881697 - 2⁷ = 244881569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244881697.

It is not a weakly prime, because it can be changed into another prime (244881997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122440848 + 122440849.

It is an arithmetic number, because the mean of its divisors is an integer number (122440849).

Almost surely, 2^244881697 is an apocalyptic number.

It is an amenable number.

244881697 is a deficient number, since it is larger than the sum of its proper divisors (1).

244881697 is an equidigital number, since it uses as much as digits as its factorization.

244881697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 244881697 is about 15648.6963354779. The cubic root of 244881697 is about 625.6317426668.

The spelling of 244881697 in words is "two hundred forty-four million, eight hundred eighty-one thousand, six hundred ninety-seven".