245998897 has 2 divisors, whose sum is σ = 245998898. Its totient is φ = 245998896.

The previous prime is 245998889. The next prime is 245998901. The reversal of 245998897 is 798899542.

245998897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152992161 + 93006736 = 12369^2 + 9644^2 .

It is a cyclic number.

It is not a de Polignac number, because 245998897 - 2³ = 245998889 is a prime.

It is not a weakly prime, because it can be changed into another prime (245998807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122999448 + 122999449.

It is an arithmetic number, because the mean of its divisors is an integer number (122999449).

Almost surely, 2^245998897 is an apocalyptic number.

It is an amenable number.

245998897 is a deficient number, since it is larger than the sum of its proper divisors (1).

245998897 is an equidigital number, since it uses as much as digits as its factorization.

245998897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 61.

The square root of 245998897 is about 15684.3519789630. The cubic root of 245998897 is about 626.5817191266.

The spelling of 245998897 in words is "two hundred forty-five million, nine hundred ninety-eight thousand, eight hundred ninety-seven".