1051533213 has 16 divisors (see below), whose sum is σ = 1421963520. Its totient is φ = 691089984.

The previous prime is 1051533211. The next prime is 1051533221. The reversal of 1051533213 is 3123351501.

It is not a de Polignac number, because 1051533213 - 2¹ = 1051533211 is a prime.

It is a super-2 number, since 2×1051533213² = 2211444196084206738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051533211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170695 + ... + 176747.

It is an arithmetic number, because the mean of its divisors is an integer number (88872720).

Almost surely, 2^1051533213 is an apocalyptic number.

It is an amenable number.

1051533213 is a deficient number, since it is larger than the sum of its proper divisors (370430307).

1051533213 is an equidigital number, since it uses as much as digits as its factorization.

1051533213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1051533213 is about 32427.3528521833. The cubic root of 1051533213 is about 1016.8908311700.

Adding to 1051533213 its reverse (3123351501), we get a palindrome (4174884714).

The spelling of 1051533213 in words is "one billion, fifty-one million, five hundred thirty-three thousand, two hundred thirteen".