115653403 has 2 divisors, whose sum is σ = 115653404. Its totient is φ = 115653402.

The previous prime is 115653401. The next prime is 115653491. The reversal of 115653403 is 304356511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115653403 - 2¹ = 115653401 is a prime.

Together with 115653401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115653401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57826701 + 57826702.

It is an arithmetic number, because the mean of its divisors is an integer number (57826702).

Almost surely, 2^115653403 is an apocalyptic number.

115653403 is a deficient number, since it is larger than the sum of its proper divisors (1).

115653403 is an equidigital number, since it uses as much as digits as its factorization.

115653403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 115653403 is about 10754.2272153791. The cubic root of 115653403 is about 487.2136778466.

The spelling of 115653403 in words is "one hundred fifteen million, six hundred fifty-three thousand, four hundred three".