2153020543 has 4 divisors (see below), whose sum is σ = 2183344848. Its totient is φ = 2122696240.

The previous prime is 2153020531. The next prime is 2153020553. The reversal of 2153020543 is 3450203512.

2153020543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2153020543 - 2⁹ = 2153020031 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 (2153020553) 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, 15162046 + ... + 15162187.

It is an arithmetic number, because the mean of its divisors is an integer number (545836212).

Almost surely, 2^2153020543 is an apocalyptic number.

2153020543 is a deficient number, since it is larger than the sum of its proper divisors (30324305).

2153020543 is an equidigital number, since it uses as much as digits as its factorization.

2153020543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30324304.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2153020543 is about 46400.6523984308. The cubic root of 2153020543 is about 1291.2670168724.

The spelling of 2153020543 in words is "two billion, one hundred fifty-three million, twenty thousand, five hundred forty-three".