16252137 has 16 divisors (see below), whose sum is σ = 26266560. Its totient is φ = 9849600.

The previous prime is 16252133. The next prime is 16252193. The reversal of 16252137 is 73125261.

It is a happy number.

16252137 is a `hidden beast` number, since 1 + 625 + 2 + 1 + 37 = 666.

It is not a de Polignac number, because 16252137 - 2² = 16252133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 16252137.

It is not an unprimeable number, because it can be changed into a prime (16252133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27064 + ... + 27657.

It is an arithmetic number, because the mean of its divisors is an integer number (1641660).

Almost surely, 2^16252137 is an apocalyptic number.

It is an amenable number.

16252137 is a deficient number, since it is larger than the sum of its proper divisors (10014423).

16252137 is a wasteful number, since it uses less digits than its factorization.

16252137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54741 (or 54735 counting only the distinct ones).

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

The square root of 16252137 is about 4031.3939276632. The cubic root of 16252137 is about 253.3009536563.

Adding to 16252137 its reverse (73125261), we get a palindrome (89377398).

The spelling of 16252137 in words is "sixteen million, two hundred fifty-two thousand, one hundred thirty-seven".