14951681 has 2 divisors, whose sum is σ = 14951682. Its totient is φ = 14951680.

The previous prime is 14951647. The next prime is 14951719. The reversal of 14951681 is 18615941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14938225 + 13456 = 3865^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 14951681 - 2¹⁰ = 14950657 is a prime.

It is a super-2 number, since 2×14951681² = 447105529451522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14951611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7475840 + 7475841.

It is an arithmetic number, because the mean of its divisors is an integer number (7475841).

Almost surely, 2^14951681 is an apocalyptic number.

It is an amenable number.

14951681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14951681 is an equidigital number, since it uses as much as digits as its factorization.

14951681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 35.

The square root of 14951681 is about 3866.7403584932. The cubic root of 14951681 is about 246.3561116893.

The spelling of 14951681 in words is "fourteen million, nine hundred fifty-one thousand, six hundred eighty-one".