245404097 has 2 divisors, whose sum is σ = 245404098. Its totient is φ = 245404096.

The previous prime is 245404087. The next prime is 245404111. The reversal of 245404097 is 790404542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193794241 + 51609856 = 13921^2 + 7184^2 .

It is a cyclic number.

It is not a de Polignac number, because 245404097 - 2¹⁰ = 245403073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245404007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122702048 + 122702049.

It is an arithmetic number, because the mean of its divisors is an integer number (122702049).

Almost surely, 2^245404097 is an apocalyptic number.

It is an amenable number.

245404097 is a deficient number, since it is larger than the sum of its proper divisors (1).

245404097 is an equidigital number, since it uses as much as digits as its factorization.

245404097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 245404097 is about 15665.3789293461. The cubic root of 245404097 is about 626.0763082064.

The spelling of 245404097 in words is "two hundred forty-five million, four hundred four thousand, ninety-seven".