115640627 has 2 divisors, whose sum is σ = 115640628. Its totient is φ = 115640626.

The previous prime is 115640621. The next prime is 115640641. The reversal of 115640627 is 726046511.

It is a weak prime.

It is an emirp because it is prime and its reverse (726046511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115640627 - 2⁶ = 115640563 is a prime.

It is a super-2 number, since 2×115640627² = 26745509225906258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115640593 and 115640602.

It is not a weakly prime, because it can be changed into another prime (115640621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57820313 + 57820314.

It is an arithmetic number, because the mean of its divisors is an integer number (57820314).

Almost surely, 2^115640627 is an apocalyptic number.

115640627 is a deficient number, since it is larger than the sum of its proper divisors (1).

115640627 is an equidigital number, since it uses as much as digits as its factorization.

115640627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 115640627 is about 10753.6331999934. The cubic root of 115640627 is about 487.1957366792.

The spelling of 115640627 in words is "one hundred fifteen million, six hundred forty thousand, six hundred twenty-seven".