16245427 has 4 divisors (see below), whose sum is σ = 17722296. Its totient is φ = 14768560.

The previous prime is 16245407. The next prime is 16245431. The reversal of 16245427 is 72454261.

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 16245427 - 2²³ = 7856819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16245407) 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, 738418 + ... + 738439.

It is an arithmetic number, because the mean of its divisors is an integer number (4430574).

Almost surely, 2^16245427 is an apocalyptic number.

16245427 is a deficient number, since it is larger than the sum of its proper divisors (1476869).

16245427 is a wasteful number, since it uses less digits than its factorization.

16245427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476868.

The product of its digits is 13440, while the sum is 31.

The square root of 16245427 is about 4030.5616233969. The cubic root of 16245427 is about 253.2660888390.

Adding to 16245427 its reverse (72454261), we get a palindrome (88699688).

The spelling of 16245427 in words is "sixteen million, two hundred forty-five thousand, four hundred twenty-seven".