16512025 has 12 divisors (see below), whose sum is σ = 20584000. Its totient is φ = 13139280.

The previous prime is 16512017. The next prime is 16512059. The reversal of 16512025 is 52021561.

It is not a de Polignac number, because 16512025 - 2³ = 16512017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16511987 and 16512005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3316 + ... + 6634.

Almost surely, 2^16512025 is an apocalyptic number.

It is an amenable number.

16512025 is a deficient number, since it is larger than the sum of its proper divisors (4071975).

16512025 is a wasteful number, since it uses less digits than its factorization.

16512025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 16512025 is about 4063.4991079118. The cubic root of 16512025 is about 254.6439989312.

Adding to 16512025 its reverse (52021561), we get a palindrome (68533586).

The spelling of 16512025 in words is "sixteen million, five hundred twelve thousand, twenty-five".