16252002 has 40 divisors (see below), whose sum is σ = 39222876. Its totient is φ = 4999968.

The previous prime is 16251997. The next prime is 16252003. The reversal of 16252002 is 20025261.

It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 641601 = 3951^2 + 801^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (16252003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1753 + ... + 5964.

Almost surely, 2^16252002 is an apocalyptic number.

16252002 is an abundant number, since it is smaller than the sum of its proper divisors (22970874).

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

16252002 is a wasteful number, since it uses less digits than its factorization.

16252002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 16252002 is about 4031.3771840402. The cubic root of 16252002 is about 253.3002522978.

Adding to 16252002 its reverse (20025261), we get a palindrome (36277263).

The spelling of 16252002 in words is "sixteen million, two hundred fifty-two thousand, two".