16254643 has 2 divisors, whose sum is σ = 16254644. Its totient is φ = 16254642.

The previous prime is 16254631. The next prime is 16254647. The reversal of 16254643 is 34645261.

16254643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16254643 - 2⁹ = 16254131 is a prime.

It is not a weakly prime, because it can be changed into another prime (16254647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127321 + 8127322.

It is an arithmetic number, because the mean of its divisors is an integer number (8127322).

Almost surely, 2^16254643 is an apocalyptic number.

16254643 is a deficient number, since it is larger than the sum of its proper divisors (1).

16254643 is an equidigital number, since it uses as much as digits as its factorization.

16254643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 16254643 is about 4031.7047262913. The cubic root of 16254643 is about 253.3139722430.

The spelling of 16254643 in words is "sixteen million, two hundred fifty-four thousand, six hundred forty-three".