18413497 has 2 divisors, whose sum is σ = 18413498. Its totient is φ = 18413496.

The previous prime is 18413471. The next prime is 18413513. The reversal of 18413497 is 79431481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11128896 + 7284601 = 3336^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 18413497 - 2¹⁵ = 18380729 is a prime.

It is not a weakly prime, because it can be changed into another prime (18413407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9206748 + 9206749.

It is an arithmetic number, because the mean of its divisors is an integer number (9206749).

Almost surely, 2^18413497 is an apocalyptic number.

It is an amenable number.

18413497 is a deficient number, since it is larger than the sum of its proper divisors (1).

18413497 is an equidigital number, since it uses as much as digits as its factorization.

18413497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 18413497 is about 4291.0950816779. The cubic root of 18413497 is about 264.0657597511.

The spelling of 18413497 in words is "eighteen million, four hundred thirteen thousand, four hundred ninety-seven".