115431473 has 2 divisors, whose sum is σ = 115431474. Its totient is φ = 115431472.

The previous prime is 115431451. The next prime is 115431499. The reversal of 115431473 is 374134511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111154849 + 4276624 = 10543^2 + 2068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115431473 is a prime.

It is not a weakly prime, because it can be changed into another prime (115431413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57715736 + 57715737.

It is an arithmetic number, because the mean of its divisors is an integer number (57715737).

Almost surely, 2^115431473 is an apocalyptic number.

It is an amenable number.

115431473 is a deficient number, since it is larger than the sum of its proper divisors (1).

115431473 is an equidigital number, since it uses as much as digits as its factorization.

115431473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 115431473 is about 10743.9039924973. The cubic root of 115431473 is about 486.9018364157.

Adding to 115431473 its reverse (374134511), we get a palindrome (489565984).

The spelling of 115431473 in words is "one hundred fifteen million, four hundred thirty-one thousand, four hundred seventy-three".