16252785 has 16 divisors (see below), whose sum is σ = 28894080. Its totient is φ = 8668080.

The previous prime is 16252781. The next prime is 16252787. The reversal of 16252785 is 58725261.

It is a happy number.

16252785 is a `hidden beast` number, since 1 + 625 + 27 + 8 + 5 = 666.

It is not a de Polignac number, because 16252785 - 2² = 16252781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16252781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60061 + ... + 60330.

It is an arithmetic number, because the mean of its divisors is an integer number (1805880).

Almost surely, 2^16252785 is an apocalyptic number.

16252785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16252785 is a deficient number, since it is larger than the sum of its proper divisors (12641295).

16252785 is a wasteful number, since it uses less digits than its factorization.

16252785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120405 (or 120399 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 16252785 is about 4031.4742960857. The cubic root of 16252785 is about 253.3043201230.

The spelling of 16252785 in words is "sixteen million, two hundred fifty-two thousand, seven hundred eighty-five".