14528993 has 2 divisors, whose sum is σ = 14528994. Its totient is φ = 14528992.

The previous prime is 14528989. The next prime is 14529001. The reversal of 14528993 is 39982541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13667809 + 861184 = 3697^2 + 928^2 .

It is an emirp because it is prime and its reverse (39982541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14528993 - 2² = 14528989 is a prime.

It is a super-2 number, since 2×14528993² = 422183275188098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14528993.

It is not a weakly prime, because it can be changed into another prime (14528903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7264496 + 7264497.

It is an arithmetic number, because the mean of its divisors is an integer number (7264497).

Almost surely, 2^14528993 is an apocalyptic number.

It is an amenable number.

14528993 is a deficient number, since it is larger than the sum of its proper divisors (1).

14528993 is an equidigital number, since it uses as much as digits as its factorization.

14528993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 14528993 is about 3811.6916192158. The cubic root of 14528993 is about 244.0123672402.

The spelling of 14528993 in words is "fourteen million, five hundred twenty-eight thousand, nine hundred ninety-three".