14507257 has 2 divisors, whose sum is σ = 14507258. Its totient is φ = 14507256.

The previous prime is 14507197. The next prime is 14507303. The reversal of 14507257 is 75270541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10361961 + 4145296 = 3219^2 + 2036^2 .

It is a cyclic number.

It is not a de Polignac number, because 14507257 - 2²³ = 6118649 is a prime.

It is not a weakly prime, because it can be changed into another prime (14507057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7253628 + 7253629.

It is an arithmetic number, because the mean of its divisors is an integer number (7253629).

Almost surely, 2^14507257 is an apocalyptic number.

It is an amenable number.

14507257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14507257 is an equidigital number, since it uses as much as digits as its factorization.

14507257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 14507257 is about 3808.8393245187. The cubic root of 14507257 is about 243.8906221671.

Adding to 14507257 its reverse (75270541), we get a palindrome (89777798).

The spelling of 14507257 in words is "fourteen million, five hundred seven thousand, two hundred fifty-seven".