16313289 has 8 divisors (see below), whose sum is σ = 21779712. Its totient is φ = 10861200.

The previous prime is 16313287. The next prime is 16313293. The reversal of 16313289 is 98231361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16313289 - 2¹ = 16313287 is a prime.

It is a super-2 number, since 2×16313289² = 532246795995042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16313287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562 + ... + 5739.

It is an arithmetic number, because the mean of its divisors is an integer number (2722464).

Almost surely, 2^16313289 is an apocalyptic number.

It is an amenable number.

16313289 is a deficient number, since it is larger than the sum of its proper divisors (5466423).

16313289 is an equidigital number, since it uses as much as digits as its factorization.

16313289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167.

The product of its digits is 7776, while the sum is 33.

The square root of 16313289 is about 4038.9712799177. The cubic root of 16313289 is about 253.6182549544.

The spelling of 16313289 in words is "sixteen million, three hundred thirteen thousand, two hundred eighty-nine".