1055353213 has 4 divisors (see below), whose sum is σ = 1055465788. Its totient is φ = 1055240640.

The previous prime is 1055353199. The next prime is 1055353223. The reversal of 1055353213 is 3123535501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 818131609 + 237221604 = 28603^2 + 15402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055353213 - 2¹³ = 1055345021 is a prime.

It is a super-2 number, since 2×1055353213² = 2227540808378846738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055353223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40806 + ... + 61447.

It is an arithmetic number, because the mean of its divisors is an integer number (263866447).

Almost surely, 2^1055353213 is an apocalyptic number.

It is an amenable number.

1055353213 is a deficient number, since it is larger than the sum of its proper divisors (112575).

1055353213 is a wasteful number, since it uses less digits than its factorization.

1055353213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112574.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 1055353213 is about 32486.2003472244. The cubic root of 1055353213 is about 1018.1207268789.

Adding to 1055353213 its reverse (3123535501), we get a palindrome (4178888714).

The spelling of 1055353213 in words is "one billion, fifty-five million, three hundred fifty-three thousand, two hundred thirteen".