1051303213 has 2 divisors, whose sum is σ = 1051303214. Its totient is φ = 1051303212.

The previous prime is 1051303189. The next prime is 1051303229. The reversal of 1051303213 is 3123031501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611226729 + 440076484 = 24723^2 + 20978^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051303213 - 2¹⁷ = 1051172141 is a prime.

It is a super-2 number, since 2×1051303213² = 2210476891328246738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051303013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525651606 + 525651607.

It is an arithmetic number, because the mean of its divisors is an integer number (525651607).

Almost surely, 2^1051303213 is an apocalyptic number.

It is an amenable number.

1051303213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051303213 is an equidigital number, since it uses as much as digits as its factorization.

1051303213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1051303213 is about 32423.8062694681. The cubic root of 1051303213 is about 1016.8166848528.

Adding to 1051303213 its reverse (3123031501), we get a palindrome (4174334714).

The spelling of 1051303213 in words is "one billion, fifty-one million, three hundred three thousand, two hundred thirteen".