16001252 has 12 divisors (see below), whose sum is σ = 28250796. Its totient is φ = 7929600.

The previous prime is 16001231. The next prime is 16001269. The reversal of 16001252 is 25210061.

It can be written as a sum of positive squares in 2 ways, for example, as 1378276 + 14622976 = 1174^2 + 3824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16001252.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17249 + ... + 18152.

It is an arithmetic number, because the mean of its divisors is an integer number (2354233).

Almost surely, 2^16001252 is an apocalyptic number.

It is an amenable number.

16001252 is a deficient number, since it is larger than the sum of its proper divisors (12249544).

16001252 is a wasteful number, since it uses less digits than its factorization.

16001252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35518 (or 35516 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 16001252 is about 4000.1564969386. The cubic root of 16001252 is about 251.9907823957.

The spelling of 16001252 in words is "sixteen million, one thousand, two hundred fifty-two".