1050645213 has 12 divisors (see below), whose sum is σ = 1554613788. Its totient is φ = 683346240.

The previous prime is 1050645199. The next prime is 1050645227. The reversal of 1050645213 is 3125460501.

1050645213 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 645 + 2 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (1050645199) and next prime (1050645227).

It can be written as a sum of positive squares in 2 ways, for example, as 360164484 + 690480729 = 18978^2 + 26277^2 .

It is not a de Polignac number, because 1050645213 - 2⁵ = 1050645181 is a prime.

It is a super-2 number, since 2×1050645213² = 2207710727199630738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050645613) 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, 1423270 + ... + 1424007.

It is an arithmetic number, because the mean of its divisors is an integer number (129551149).

Almost surely, 2^1050645213 is an apocalyptic number.

It is an amenable number.

1050645213 is a deficient number, since it is larger than the sum of its proper divisors (503968575).

1050645213 is a wasteful number, since it uses less digits than its factorization.

1050645213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847324 (or 2847321 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1050645213 is about 32413.6578158035. The cubic root of 1050645213 is about 1016.6045021681.

The spelling of 1050645213 in words is "one billion, fifty million, six hundred forty-five thousand, two hundred thirteen".