1065211051 has 2 divisors, whose sum is σ = 1065211052. Its totient is φ = 1065211050.

The previous prime is 1065211039. The next prime is 1065211087. The reversal of 1065211051 is 1501125601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1065211051 - 2²¹ = 1063113899 is a prime.

It is a super-2 number, since 2×1065211051² = 2269349166345049202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065211451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532605525 + 532605526.

It is an arithmetic number, because the mean of its divisors is an integer number (532605526).

Almost surely, 2^1065211051 is an apocalyptic number.

1065211051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065211051 is an equidigital number, since it uses as much as digits as its factorization.

1065211051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1065211051 is about 32637.5711565674. The cubic root of 1065211051 is about 1021.2809266093.

Adding to 1065211051 its reverse (1501125601), we get a palindrome (2566336652).

The spelling of 1065211051 in words is "one billion, sixty-five million, two hundred eleven thousand, fifty-one".