2153410565 has 4 divisors (see below), whose sum is σ = 2584092684. Its totient is φ = 1722728448.

The previous prime is 2153410559. The next prime is 2153410583. The reversal of 2153410565 is 5650143512.

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 692795041 + 1460615524 = 26321^2 + 38218^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153410565 - 2²⁰ = 2152361989 is a prime.

It is a super-2 number, since 2×2153410565² = 9274354122907238450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 215341052 + ... + 215341061.

It is an arithmetic number, because the mean of its divisors is an integer number (646023171).

Almost surely, 2^2153410565 is an apocalyptic number.

It is an amenable number.

2153410565 is a deficient number, since it is larger than the sum of its proper divisors (430682119).

2153410565 is an equidigital number, since it uses as much as digits as its factorization.

2153410565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430682118.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2153410565 is about 46404.8549722979. The cubic root of 2153410565 is about 1291.3449836369.

The spelling of 2153410565 in words is "two billion, one hundred fifty-three million, four hundred ten thousand, five hundred sixty-five".