1052263691 has 2 divisors, whose sum is σ = 1052263692. Its totient is φ = 1052263690.

The previous prime is 1052263687. The next prime is 1052263711. The reversal of 1052263691 is 1963622501.

1052263691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1052263691 - 2² = 1052263687 is a prime.

It is a super-3 number, since 3×1052263691³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1052263601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526131845 + 526131846.

It is an arithmetic number, because the mean of its divisors is an integer number (526131846).

Almost surely, 2^1052263691 is an apocalyptic number.

1052263691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052263691 is an equidigital number, since it uses as much as digits as its factorization.

1052263691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1052263691 is about 32438.6141966638. The cubic root of 1052263691 is about 1017.1262475542.

The spelling of 1052263691 in words is "one billion, fifty-two million, two hundred sixty-three thousand, six hundred ninety-one".