16254971 has 2 divisors, whose sum is σ = 16254972. Its totient is φ = 16254970.

The previous prime is 16254923. The next prime is 16254977. The reversal of 16254971 is 17945261.

It is a strong prime.

It is an emirp because it is prime and its reverse (17945261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16254971 - 2¹⁸ = 15992827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16254977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127485 + 8127486.

It is an arithmetic number, because the mean of its divisors is an integer number (8127486).

Almost surely, 2^16254971 is an apocalyptic number.

16254971 is a deficient number, since it is larger than the sum of its proper divisors (1).

16254971 is an equidigital number, since it uses as much as digits as its factorization.

16254971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 16254971 is about 4031.7454036682. The cubic root of 16254971 is about 253.3156760931.

The spelling of 16254971 in words is "sixteen million, two hundred fifty-four thousand, nine hundred seventy-one".