14864557 has 2 divisors, whose sum is σ = 14864558. Its totient is φ = 14864556.

The previous prime is 14864537. The next prime is 14864569. The reversal of 14864557 is 75546841.

14864557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 4405801 = 3234^2 + 2099^2 .

It is an emirp because it is prime and its reverse (75546841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14864557 - 2⁷ = 14864429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14864537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7432278 + 7432279.

It is an arithmetic number, because the mean of its divisors is an integer number (7432279).

Almost surely, 2^14864557 is an apocalyptic number.

It is an amenable number.

14864557 is a deficient number, since it is larger than the sum of its proper divisors (1).

14864557 is an equidigital number, since it uses as much as digits as its factorization.

14864557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 40.

The square root of 14864557 is about 3855.4580791392. The cubic root of 14864557 is about 245.8766705046.

The spelling of 14864557 in words is "fourteen million, eight hundred sixty-four thousand, five hundred fifty-seven".