16090425 has 36 divisors (see below), whose sum is σ = 31042284. Its totient is φ = 7920000.

The previous prime is 16090423. The next prime is 16090427. The reversal of 16090425 is 52409061.

It is an interprime number because it is at equal distance from previous prime (16090423) and next prime (16090427).

It can be written as a sum of positive squares in 6 ways, for example, as 2304 + 16088121 = 48^2 + 4011^2 .

It is not a de Polignac number, because 16090425 - 2¹ = 16090423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16090423) 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 35 ways as a sum of consecutive naturals, for example, 175 + ... + 5675.

Almost surely, 2^16090425 is an apocalyptic number.

16090425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16090425 is a deficient number, since it is larger than the sum of its proper divisors (14951859).

16090425 is a wasteful number, since it uses less digits than its factorization.

16090425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530 (or 5522 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16090425 is about 4011.2871998898. The cubic root of 16090425 is about 252.4580200117.

Adding to 16090425 its reverse (52409061), we get a palindrome (68499486).

The spelling of 16090425 in words is "sixteen million, ninety thousand, four hundred twenty-five".