2045752213 has 8 divisors (see below), whose sum is σ = 2077353432. Its totient is φ = 2014365696.

The previous prime is 2045752187. The next prime is 2045752229. The reversal of 2045752213 is 3122575402.

It can be written as a sum of positive squares in 4 ways, for example, as 853983729 + 1191768484 = 29223^2 + 34522^2 .

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 2045752213 - 2¹⁷ = 2045621141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045752283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34420 + ... + 72637.

It is an arithmetic number, because the mean of its divisors is an integer number (259669179).

Almost surely, 2^2045752213 is an apocalyptic number.

It is an amenable number.

2045752213 is a deficient number, since it is larger than the sum of its proper divisors (31601219).

2045752213 is a wasteful number, since it uses less digits than its factorization.

2045752213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107351.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2045752213 is about 45229.9924054824. The cubic root of 2045752213 is about 1269.4560700054.

The spelling of 2045752213 in words is "two billion, forty-five million, seven hundred fifty-two thousand, two hundred thirteen".