16317252 has 72 divisors (see below), whose sum is σ = 47838336. Its totient is φ = 4593024.

The previous prime is 16317251. The next prime is 16317277. The reversal of 16317252 is 25271361.

It is a happy number.

16317252 is a `hidden beast` number, since 1 + 631 + 7 + 25 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (16317251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17953 + ... + 18839.

Almost surely, 2^16317252 is an apocalyptic number.

16317252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16317252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23919168).

16317252 is an abundant number, since it is smaller than the sum of its proper divisors (31521084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16317252 is a wasteful number, since it uses less digits than its factorization.

16317252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 972 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 16317252 is about 4039.4618453452. The cubic root of 16317252 is about 253.6387905183.

The spelling of 16317252 in words is "sixteen million, three hundred seventeen thousand, two hundred fifty-two".