16331025 has 12 divisors (see below), whose sum is σ = 27000752. Its totient is φ = 8709840.

The previous prime is 16331009. The next prime is 16331041. The reversal of 16331025 is 52013361.

It is an interprime number because it is at equal distance from previous prime (16331009) and next prime (16331041).

It is not a de Polignac number, because 16331025 - 2⁴ = 16331009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 16330992 and 16331010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108799 + ... + 108948.

Almost surely, 2^16331025 is an apocalyptic number.

16331025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16331025 is a deficient number, since it is larger than the sum of its proper divisors (10669727).

16331025 is a wasteful number, since it uses less digits than its factorization.

16331025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217760 (or 217755 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 16331025 is about 4041.1662920499. The cubic root of 16331025 is about 253.7101339168.

Adding to 16331025 its reverse (52013361), we get a palindrome (68344386).

The spelling of 16331025 in words is "sixteen million, three hundred thirty-one thousand, twenty-five".