16999252 has 12 divisors (see below), whose sum is σ = 31498740. Its totient is φ = 7999616.

The previous prime is 16999237. The next prime is 16999259. The reversal of 16999252 is 25299961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 8213956 = 2964^2 + 2866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16999199 and 16999208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16999259) 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, 124927 + ... + 125062.

It is an arithmetic number, because the mean of its divisors is an integer number (2624895).

Almost surely, 2^16999252 is an apocalyptic number.

It is an amenable number.

16999252 is a deficient number, since it is larger than the sum of its proper divisors (14499488).

16999252 is a wasteful number, since it uses less digits than its factorization.

16999252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250010 (or 250008 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 16999252 is about 4123.0149162961. The cubic root of 16999252 is about 257.1243877975.

The spelling of 16999252 in words is "sixteen million, nine hundred ninety-nine thousand, two hundred fifty-two".