2153575 has 6 divisors (see below), whose sum is σ = 2670464. Its totient is φ = 1722840.

The previous prime is 2153563. The next prime is 2153621. The reversal of 2153575 is 5753512.

2153575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2153575 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 43047 + ... + 43096.

2^2153575 is an apocalyptic number.

2153575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2153575 is a deficient number, since it is larger than the sum of its proper divisors (516889).

2153575 is an equidigital number, since it uses as much as digits as its factorization.

2153575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86153 (or 86148 counting only the distinct ones).

The product of its digits is 5250, while the sum is 28.

The square root of 2153575 is about 1467.5063884018. The cubic root of 2153575 is about 129.1377851948.

The spelling of 2153575 in words is "two million, one hundred fifty-three thousand, five hundred seventy-five".