2153552213 has 4 divisors (see below), whose sum is σ = 2153965440. Its totient is φ = 2153138988.

The previous prime is 2153552179. The next prime is 2153552239. The reversal of 2153552213 is 3122553512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153552213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153552243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198695 + ... + 209252.

It is an arithmetic number, because the mean of its divisors is an integer number (538491360).

Almost surely, 2^2153552213 is an apocalyptic number.

It is an amenable number.

2153552213 is a deficient number, since it is larger than the sum of its proper divisors (413227).

2153552213 is an equidigital number, since it uses as much as digits as its factorization.

2153552213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413226.

The product of its digits is 9000, while the sum is 29.

The square root of 2153552213 is about 46406.3811668180. The cubic root of 2153552213 is about 1291.3732972381.

The spelling of 2153552213 in words is "two billion, one hundred fifty-three million, five hundred fifty-two thousand, two hundred thirteen".