16253465 has 4 divisors (see below), whose sum is σ = 19504164. Its totient is φ = 13002768.

The previous prime is 16253453. The next prime is 16253483. The reversal of 16253465 is 56435261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56435261 = 23 ⋅2453707.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 12823561 = 1852^2 + 3581^2 .

It is a cyclic number.

It is not a de Polignac number, because 16253465 - 2⁴ = 16253449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625342 + ... + 1625351.

It is an arithmetic number, because the mean of its divisors is an integer number (4876041).

Almost surely, 2^16253465 is an apocalyptic number.

It is an amenable number.

16253465 is a deficient number, since it is larger than the sum of its proper divisors (3250699).

16253465 is an equidigital number, since it uses as much as digits as its factorization.

16253465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250698.

The product of its digits is 21600, while the sum is 32.

The square root of 16253465 is about 4031.5586315965. The cubic root of 16253465 is about 253.3078527388.

The spelling of 16253465 in words is "sixteen million, two hundred fifty-three thousand, four hundred sixty-five".