1608253 has 4 divisors (see below), whose sum is σ = 1663740. Its totient is φ = 1552768.

The previous prime is 1608241. The next prime is 1608259. The reversal of 1608253 is 3528061.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 267289 + 1340964 = 517^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1608253 - 2¹³ = 1600061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27700 + ... + 27757.

It is an arithmetic number, because the mean of its divisors is an integer number (415935).

2^1608253 is an apocalyptic number.

It is an amenable number.

1608253 is a deficient number, since it is larger than the sum of its proper divisors (55487).

1608253 is an equidigital number, since it uses as much as digits as its factorization.

1608253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55486.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1608253 is about 1268.1691527553. The cubic root of 1608253 is about 117.1614640708.

The spelling of 1608253 in words is "one million, six hundred eight thousand, two hundred fifty-three".