16450313 has 18 divisors (see below), whose sum is σ = 18975642. Its totient is φ = 14248960.

The previous prime is 16450283. The next prime is 16450319. The reversal of 16450313 is 31305461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 64009 = 4048^2 + 253^2 .

It is not a de Polignac number, because 16450313 - 2¹² = 16446217 is a prime.

It is a super-2 number, since 2×16450313² = 541225595595938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16450319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63881 + ... + 64137.

Almost surely, 2^16450313 is an apocalyptic number.

It is an amenable number.

16450313 is a deficient number, since it is larger than the sum of its proper divisors (2525329).

16450313 is a wasteful number, since it uses less digits than its factorization.

16450313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 16450313 is about 4055.8985440960. The cubic root of 16450313 is about 254.3263676203.

Adding to 16450313 its reverse (31305461), we get a palindrome (47755774).

The spelling of 16450313 in words is "sixteen million, four hundred fifty thousand, three hundred thirteen".