1012263613 has 2 divisors, whose sum is σ = 1012263614. Its totient is φ = 1012263612.

The previous prime is 1012263611. The next prime is 1012263619. The reversal of 1012263613 is 3163622101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011049209 + 1214404 = 31797^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012263613 - 2¹ = 1012263611 is a prime.

Together with 1012263611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012263611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506131806 + 506131807.

It is an arithmetic number, because the mean of its divisors is an integer number (506131807).

Almost surely, 2^1012263613 is an apocalyptic number.

It is an amenable number.

1012263613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012263613 is an equidigital number, since it uses as much as digits as its factorization.

1012263613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1012263613 is about 31816.0904732181. The cubic root of 1012263613 is about 1004.0712732401.

Adding to 1012263613 its reverse (3163622101), we get a palindrome (4175885714).

The spelling of 1012263613 in words is "one billion, twelve million, two hundred sixty-three thousand, six hundred thirteen".