115225493 has 2 divisors, whose sum is σ = 115225494. Its totient is φ = 115225492.

The previous prime is 115225477. The next prime is 115225499. The reversal of 115225493 is 394522511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98267569 + 16957924 = 9913^2 + 4118^2 .

It is an emirp because it is prime and its reverse (394522511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115225493 - 2⁴ = 115225477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115225499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57612746 + 57612747.

It is an arithmetic number, because the mean of its divisors is an integer number (57612747).

Almost surely, 2^115225493 is an apocalyptic number.

It is an amenable number.

115225493 is a deficient number, since it is larger than the sum of its proper divisors (1).

115225493 is an equidigital number, since it uses as much as digits as its factorization.

115225493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 115225493 is about 10734.3138113249. The cubic root of 115225493 is about 486.6120490300.

The spelling of 115225493 in words is "one hundred fifteen million, two hundred twenty-five thousand, four hundred ninety-three".