115562537 has 2 divisors, whose sum is σ = 115562538. Its totient is φ = 115562536.

The previous prime is 115562521. The next prime is 115562539. The reversal of 115562537 is 735265511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79370281 + 36192256 = 8909^2 + 6016^2 .

It is a cyclic number.

It is not a de Polignac number, because 115562537 - 2⁴ = 115562521 is a prime.

Together with 115562539, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 115562497 and 115562506.

It is not a weakly prime, because it can be changed into another prime (115562539) 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, 57781268 + 57781269.

It is an arithmetic number, because the mean of its divisors is an integer number (57781269).

Almost surely, 2^115562537 is an apocalyptic number.

It is an amenable number.

115562537 is a deficient number, since it is larger than the sum of its proper divisors (1).

115562537 is an equidigital number, since it uses as much as digits as its factorization.

115562537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 35.

The square root of 115562537 is about 10750.0017209301. The cubic root of 115562537 is about 487.0860471955.

The spelling of 115562537 in words is "one hundred fifteen million, five hundred sixty-two thousand, five hundred thirty-seven".