16275427 has 4 divisors (see below), whose sum is σ = 18600496. Its totient is φ = 13950360.

The previous prime is 16275407. The next prime is 16275433. The reversal of 16275427 is 72457261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16275427 - 2⁷ = 16275299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16275392 and 16275401.

It is not an unprimeable number, because it can be changed into a prime (16275407) 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, 1162524 + ... + 1162537.

It is an arithmetic number, because the mean of its divisors is an integer number (4650124).

Almost surely, 2^16275427 is an apocalyptic number.

16275427 is a deficient number, since it is larger than the sum of its proper divisors (2325069).

16275427 is an equidigital number, since it uses as much as digits as its factorization.

16275427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325068.

The product of its digits is 23520, while the sum is 34.

The square root of 16275427 is about 4034.2814725797. The cubic root of 16275427 is about 253.4218928992.

The spelling of 16275427 in words is "sixteen million, two hundred seventy-five thousand, four hundred twenty-seven".