16245979 has 2 divisors, whose sum is σ = 16245980. Its totient is φ = 16245978.

The previous prime is 16245961. The next prime is 16246001. The reversal of 16245979 is 97954261.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (97954261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16245979 - 2¹³ = 16237787 is a prime.

It is not a weakly prime, because it can be changed into another prime (16245919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8122989 + 8122990.

It is an arithmetic number, because the mean of its divisors is an integer number (8122990).

Almost surely, 2^16245979 is an apocalyptic number.

16245979 is a deficient number, since it is larger than the sum of its proper divisors (1).

16245979 is an equidigital number, since it uses as much as digits as its factorization.

16245979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 16245979 is about 4030.6300996246. The cubic root of 16245979 is about 253.2689573651.

The spelling of 16245979 in words is "sixteen million, two hundred forty-five thousand, nine hundred seventy-nine".