16321245 has 16 divisors (see below), whose sum is σ = 26360640. Its totient is φ = 8622464.

The previous prime is 16321223. The next prime is 16321259. The reversal of 16321245 is 54212361.

It is a cyclic number.

It is not a de Polignac number, because 16321245 - 2⁸ = 16320989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3480 + ... + 6689.

It is an arithmetic number, because the mean of its divisors is an integer number (1647540).

Almost surely, 2^16321245 is an apocalyptic number.

16321245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16321245 is a deficient number, since it is larger than the sum of its proper divisors (10039395).

16321245 is a wasteful number, since it uses less digits than its factorization.

16321245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284.

The product of its digits is 1440, while the sum is 24.

The square root of 16321245 is about 4039.9560641175. The cubic root of 16321245 is about 253.6594781743.

The spelling of 16321245 in words is "sixteen million, three hundred twenty-one thousand, two hundred forty-five".