16207425 has 48 divisors (see below), whose sum is σ = 32081280. Its totient is φ = 7974720.

The previous prime is 16207421. The next prime is 16207459. The reversal of 16207425 is 52470261.

It is not a de Polignac number, because 16207425 - 2² = 16207421 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (16207421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7852 + ... + 9698.

It is an arithmetic number, because the mean of its divisors is an integer number (668360).

Almost surely, 2^16207425 is an apocalyptic number.

16207425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16207425 is a deficient number, since it is larger than the sum of its proper divisors (15873855).

16207425 is a wasteful number, since it uses less digits than its factorization.

16207425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 16207425 is about 4025.8446318754. The cubic root of 16207425 is about 253.0684510165.

Adding to 16207425 its reverse (52470261), we get a palindrome (68677686).

It can be divided in two parts, 1620 and 7425, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 16207425 in words is "sixteen million, two hundred seven thousand, four hundred twenty-five".