16873631 has 2 divisors, whose sum is σ = 16873632. Its totient is φ = 16873630.

The previous prime is 16873613. The next prime is 16873657. The reversal of 16873631 is 13637861.

Together with previous prime (16873613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16873631 - 2⁶ = 16873567 is a prime.

It is a super-2 number, since 2×16873631² = 569438846248322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16873591 and 16873600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16813631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436815 + 8436816.

It is an arithmetic number, because the mean of its divisors is an integer number (8436816).

Almost surely, 2^16873631 is an apocalyptic number.

16873631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16873631 is an equidigital number, since it uses as much as digits as its factorization.

16873631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 16873631 is about 4107.7525485355. The cubic root of 16873631 is about 256.4894556448.

The spelling of 16873631 in words is "sixteen million, eight hundred seventy-three thousand, six hundred thirty-one".