2053740321 has 12 divisors (see below), whose sum is σ = 2967762772. Its totient is φ = 1368583776.

The previous prime is 2053740319. The next prime is 2053740349. The reversal of 2053740321 is 1230473502.

2053740321 is a `hidden beast` number, since 205 + 37 + 403 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2021761296 + 31979025 = 44964^2 + 5655^2 .

It is not a de Polignac number, because 2053740321 - 2¹ = 2053740319 is a prime.

It is a super-2 number, since 2×2053740321² = 8435698612202366082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053740721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24886 + ... + 68751.

Almost surely, 2^2053740321 is an apocalyptic number.

It is an amenable number.

2053740321 is a deficient number, since it is larger than the sum of its proper divisors (914022451).

2053740321 is a wasteful number, since it uses less digits than its factorization.

2053740321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96080 (or 96077 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2053740321 is about 45318.2118027620. The cubic root of 2053740321 is about 1271.1062180502.

The spelling of 2053740321 in words is "two billion, fifty-three million, seven hundred forty thousand, three hundred twenty-one".