14945257 has 2 divisors, whose sum is σ = 14945258. Its totient is φ = 14945256.

The previous prime is 14945251. The next prime is 14945291. The reversal of 14945257 is 75254941.

14945257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14776336 + 168921 = 3844^2 + 411^2 .

It is an emirp because it is prime and its reverse (75254941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14945257 - 2⁷ = 14945129 is a prime.

It is not a weakly prime, because it can be changed into another prime (14945251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7472628 + 7472629.

It is an arithmetic number, because the mean of its divisors is an integer number (7472629).

Almost surely, 2^14945257 is an apocalyptic number.

It is an amenable number.

14945257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14945257 is an equidigital number, since it uses as much as digits as its factorization.

14945257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 14945257 is about 3865.9095954251. The cubic root of 14945257 is about 246.3208242776.

The spelling of 14945257 in words is "fourteen million, nine hundred forty-five thousand, two hundred fifty-seven".