16253135 has 4 divisors (see below), whose sum is σ = 19503768. Its totient is φ = 13002504.

The previous prime is 16253123. The next prime is 16253147. The reversal of 16253135 is 53135261.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16253123) and next prime (16253147).

It is a cyclic number.

It is not a de Polignac number, because 16253135 - 2¹⁰ = 16252111 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1625309 + ... + 1625318.

It is an arithmetic number, because the mean of its divisors is an integer number (4875942).

Almost surely, 2^16253135 is an apocalyptic number.

16253135 is a deficient number, since it is larger than the sum of its proper divisors (3250633).

16253135 is an equidigital number, since it uses as much as digits as its factorization.

16253135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250632.

The product of its digits is 2700, while the sum is 26.

The square root of 16253135 is about 4031.5177042895. The cubic root of 16253135 is about 253.3061383935.

Adding to 16253135 its reverse (53135261), we get a palindrome (69388396).

The spelling of 16253135 in words is "sixteen million, two hundred fifty-three thousand, one hundred thirty-five".