2053321745 has 8 divisors (see below), whose sum is σ = 2464440360. Its totient is φ = 1642354560.

The previous prime is 2053321691. The next prime is 2053321841. The reversal of 2053321745 is 5471233502.

It can be written as a sum of positive squares in 4 ways, for example, as 60949249 + 1992372496 = 7807^2 + 44636^2 .

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

It is not a de Polignac number, because 2053321745 - 2¹⁸ = 2053059601 is a prime.

It is a super-2 number, since 2×2053321745² = 8432260376979690050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5510 + ... + 64319.

It is an arithmetic number, because the mean of its divisors is an integer number (308055045).

Almost surely, 2^2053321745 is an apocalyptic number.

It is an amenable number.

2053321745 is a deficient number, since it is larger than the sum of its proper divisors (411118615).

2053321745 is an equidigital number, since it uses as much as digits as its factorization.

2053321745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75715.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 2053321745 is about 45313.5933799119. The cubic root of 2053321745 is about 1271.0198568062.

The spelling of 2053321745 in words is "two billion, fifty-three million, three hundred twenty-one thousand, seven hundred forty-five".