115172461 has 2 divisors, whose sum is σ = 115172462. Its totient is φ = 115172460.

The previous prime is 115172429. The next prime is 115172503. The reversal of 115172461 is 164271511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93026025 + 22146436 = 9645^2 + 4706^2 .

It is a cyclic number.

It is not a de Polignac number, because 115172461 - 2⁵ = 115172429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115172261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57586230 + 57586231.

It is an arithmetic number, because the mean of its divisors is an integer number (57586231).

Almost surely, 2^115172461 is an apocalyptic number.

It is an amenable number.

115172461 is a deficient number, since it is larger than the sum of its proper divisors (1).

115172461 is an equidigital number, since it uses as much as digits as its factorization.

115172461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 28.

The square root of 115172461 is about 10731.8433179021. The cubic root of 115172461 is about 486.5373839261.

The spelling of 115172461 in words is "one hundred fifteen million, one hundred seventy-two thousand, four hundred sixty-one".