2053030621 has 8 divisors (see below), whose sum is σ = 2070711000. Its totient is φ = 2035402560.

The previous prime is 2053030613. The next prime is 2053030627. The reversal of 2053030621 is 1260303502.

It can be written as a sum of positive squares in 4 ways, for example, as 151634596 + 1901396025 = 12314^2 + 43605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2053030621 - 2³ = 2053030613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2053030592 and 2053030601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053030627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67875 + ... + 93343.

It is an arithmetic number, because the mean of its divisors is an integer number (258838875).

Almost surely, 2^2053030621 is an apocalyptic number.

It is an amenable number.

2053030621 is a deficient number, since it is larger than the sum of its proper divisors (17680379).

2053030621 is a wasteful number, since it uses less digits than its factorization.

2053030621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26159.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2053030621 is about 45310.3809407955. The cubic root of 2053030621 is about 1270.9597847344.

The spelling of 2053030621 in words is "two billion, fifty-three million, thirty thousand, six hundred twenty-one".