245086081 has 2 divisors, whose sum is σ = 245086082. Its totient is φ = 245086080.

The previous prime is 245086063. The next prime is 245086097. The reversal of 245086081 is 180680542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245079025 + 7056 = 15655^2 + 84^2 .

It is a cyclic number.

It is not a de Polignac number, because 245086081 - 2⁹ = 245085569 is a prime.

It is a super-2 number, since 2×245086081² = 120134374199877122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245086021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122543040 + 122543041.

It is an arithmetic number, because the mean of its divisors is an integer number (122543041).

Almost surely, 2^245086081 is an apocalyptic number.

It is an amenable number.

245086081 is a deficient number, since it is larger than the sum of its proper divisors (1).

245086081 is an equidigital number, since it uses as much as digits as its factorization.

245086081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 245086081 is about 15655.2253576881. The cubic root of 245086081 is about 625.8057499010.

The spelling of 245086081 in words is "two hundred forty-five million, eighty-six thousand, eighty-one".