115654381 has 2 divisors, whose sum is σ = 115654382. Its totient is φ = 115654380.

The previous prime is 115654339. The next prime is 115654403. The reversal of 115654381 is 183456511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108868356 + 6786025 = 10434^2 + 2605^2 .

It is a cyclic number.

It is not a de Polignac number, because 115654381 - 2¹¹ = 115652333 is a prime.

It is a super-2 number, since 2×115654381² = 26751871688986322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115654081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57827190 + 57827191.

It is an arithmetic number, because the mean of its divisors is an integer number (57827191).

Almost surely, 2^115654381 is an apocalyptic number.

It is an amenable number.

115654381 is a deficient number, since it is larger than the sum of its proper divisors (1).

115654381 is an equidigital number, since it uses as much as digits as its factorization.

115654381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 115654381 is about 10754.2726857747. The cubic root of 115654381 is about 487.2150511846.

The spelling of 115654381 in words is "one hundred fifteen million, six hundred fifty-four thousand, three hundred eighty-one".