14201861 has 4 divisors (see below), whose sum is σ = 14209932. Its totient is φ = 14193792.

The previous prime is 14201843. The next prime is 14201897. The reversal of 14201861 is 16810241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16810241 = 7 ⋅2401463.

It can be written as a sum of positive squares in 2 ways, for example, as 12496225 + 1705636 = 3535^2 + 1306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14201861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14201461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (3552483).

Almost surely, 2^14201861 is an apocalyptic number.

It is an amenable number.

14201861 is a deficient number, since it is larger than the sum of its proper divisors (8071).

14201861 is an equidigital number, since it uses as much as digits as its factorization.

14201861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 14201861 is about 3768.5356572547. The cubic root of 14201861 is about 242.1670692526.

The spelling of 14201861 in words is "fourteen million, two hundred one thousand, eight hundred sixty-one".