14500861 has 2 divisors, whose sum is σ = 14500862. Its totient is φ = 14500860.

The previous prime is 14500823. The next prime is 14500867. The reversal of 14500861 is 16800541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8375236 + 6125625 = 2894^2 + 2475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14500861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14500867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7250430 + 7250431.

It is an arithmetic number, because the mean of its divisors is an integer number (7250431).

Almost surely, 2^14500861 is an apocalyptic number.

It is an amenable number.

14500861 is a deficient number, since it is larger than the sum of its proper divisors (1).

14500861 is an equidigital number, since it uses as much as digits as its factorization.

14500861 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 25.

The square root of 14500861 is about 3807.9996060924. Note that the first 3 decimals coincide. The cubic root of 14500861 is about 243.8547745054.

It can be divided in two parts, 145008 and 61, that multiplied together give a palindrome (8845488).

The spelling of 14500861 in words is "fourteen million, five hundred thousand, eight hundred sixty-one".