115287197 has 2 divisors, whose sum is σ = 115287198. Its totient is φ = 115287196.

The previous prime is 115287167. The next prime is 115287241. The reversal of 115287197 is 791782511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70744921 + 44542276 = 8411^2 + 6674^2 .

It is a cyclic number.

It is not a de Polignac number, because 115287197 - 2²² = 111092893 is a prime.

It is a super-2 number, since 2×115287197² = 26582275584233618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115287127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57643598 + 57643599.

It is an arithmetic number, because the mean of its divisors is an integer number (57643599).

Almost surely, 2^115287197 is an apocalyptic number.

It is an amenable number.

115287197 is a deficient number, since it is larger than the sum of its proper divisors (1).

115287197 is an equidigital number, since it uses as much as digits as its factorization.

115287197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 41.

The square root of 115287197 is about 10737.1875740345. The cubic root of 115287197 is about 486.6988948341.

The spelling of 115287197 in words is "one hundred fifteen million, two hundred eighty-seven thousand, one hundred ninety-seven".