14640251 has 2 divisors, whose sum is σ = 14640252. Its totient is φ = 14640250.

The previous prime is 14640229. The next prime is 14640257. The reversal of 14640251 is 15204641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14640251 - 2⁶ = 14640187 is a prime.

It is not a weakly prime, because it can be changed into another prime (14640257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7320125 + 7320126.

It is an arithmetic number, because the mean of its divisors is an integer number (7320126).

Almost surely, 2^14640251 is an apocalyptic number.

14640251 is a deficient number, since it is larger than the sum of its proper divisors (1).

14640251 is an equidigital number, since it uses as much as digits as its factorization.

14640251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 14640251 is about 3826.2580937516. The cubic root of 14640251 is about 244.6336381883.

Adding to 14640251 its reverse (15204641), we get a palindrome (29844892).

The spelling of 14640251 in words is "fourteen million, six hundred forty thousand, two hundred fifty-one".