115400617 has 2 divisors, whose sum is σ = 115400618. Its totient is φ = 115400616.

The previous prime is 115400587. The next prime is 115400647. The reversal of 115400617 is 716004511.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (115400587) and next prime (115400647).

It can be written as a sum of positive squares in only one way, i.e., 73462041 + 41938576 = 8571^2 + 6476^2 .

It is an emirp because it is prime and its reverse (716004511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115400617 - 2¹⁵ = 115367849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115400591 and 115400600.

It is not a weakly prime, because it can be changed into another prime (115400647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57700308 + 57700309.

It is an arithmetic number, because the mean of its divisors is an integer number (57700309).

Almost surely, 2^115400617 is an apocalyptic number.

It is an amenable number.

115400617 is a deficient number, since it is larger than the sum of its proper divisors (1).

115400617 is an equidigital number, since it uses as much as digits as its factorization.

115400617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 115400617 is about 10742.4679194308. The cubic root of 115400617 is about 486.8584479546.

The spelling of 115400617 in words is "one hundred fifteen million, four hundred thousand, six hundred seventeen".