16424625 has 32 divisors (see below), whose sum is σ = 31239936. Its totient is φ = 7507200.

The previous prime is 16424623. The next prime is 16424627. The reversal of 16424625 is 52642461.

It is an interprime number because it is at equal distance from previous prime (16424623) and next prime (16424627).

It is not a de Polignac number, because 16424625 - 2¹ = 16424623 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16424592 and 16424601.

It is not an unprimeable number, because it can be changed into a prime (16424623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (976248).

Almost surely, 2^16424625 is an apocalyptic number.

16424625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16424625 is a deficient number, since it is larger than the sum of its proper divisors (14815311).

16424625 is an equidigital number, since it uses as much as digits as its factorization.

16424625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282 (or 6272 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 16424625 is about 4052.7305609922. The cubic root of 16424625 is about 254.1939174699.

The spelling of 16424625 in words is "sixteen million, four hundred twenty-four thousand, six hundred twenty-five".