213053770 has 16 divisors (see below), whose sum is σ = 393862248. Its totient is φ = 82918080.

The previous prime is 213053767. The next prime is 213053851. The reversal of 213053770 is 77350312.

213053770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 167935681 + 45118089 = 12959^2 + 6717^2 .

It is a super-2 number, since 2×213053770² = 90783817822425800, 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, 287541 + ... + 288280.

Almost surely, 2^213053770 is an apocalyptic number.

213053770 is a deficient number, since it is larger than the sum of its proper divisors (180808478).

213053770 is a wasteful number, since it uses less digits than its factorization.

213053770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575865.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 213053770 is about 14596.3615329300. The cubic root of 213053770 is about 597.2595111849.

The spelling of 213053770 in words is "two hundred thirteen million, fifty-three thousand, seven hundred seventy".