14715661 has 2 divisors, whose sum is σ = 14715662. Its totient is φ = 14715660.

The previous prime is 14715647. The next prime is 14715691. The reversal of 14715661 is 16651741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 3493161 = 3350^2 + 1869^2 .

It is a cyclic number.

It is not a de Polignac number, because 14715661 - 2¹¹ = 14713613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14715691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7357830 + 7357831.

It is an arithmetic number, because the mean of its divisors is an integer number (7357831).

Almost surely, 2^14715661 is an apocalyptic number.

It is an amenable number.

14715661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14715661 is an equidigital number, since it uses as much as digits as its factorization.

14715661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 14715661 is about 3836.0997119470. The cubic root of 14715661 is about 245.0529442709.

It can be divided in two parts, 14715 and 661, that added together give a square (15376 = 124²).

The spelling of 14715661 in words is "fourteen million, seven hundred fifteen thousand, six hundred sixty-one".