16453025 has 12 divisors (see below), whose sum is σ = 21602412. Its totient is φ = 12387840.

The previous prime is 16452983. The next prime is 16453037. The reversal of 16453025 is 52035461.

It can be written as a sum of positive squares in 6 ways, for example, as 516961 + 15936064 = 719^2 + 3992^2 .

It is not a de Polignac number, because 16453025 - 2¹⁶ = 16387489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16452985 and 16453003.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18932 + ... + 19781.

It is an arithmetic number, because the mean of its divisors is an integer number (1800201).

Almost surely, 2^16453025 is an apocalyptic number.

It is an amenable number.

16453025 is a deficient number, since it is larger than the sum of its proper divisors (5149387).

16453025 is a wasteful number, since it uses less digits than its factorization.

16453025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38740 (or 38735 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 16453025 is about 4056.2328582072. The cubic root of 16453025 is about 254.3403429412.

Adding to 16453025 its reverse (52035461), we get a palindrome (68488486).

The spelling of 16453025 in words is "sixteen million, four hundred fifty-three thousand, twenty-five".