1026504263 has 2 divisors, whose sum is σ = 1026504264. Its totient is φ = 1026504262.

The previous prime is 1026504257. The next prime is 1026504289. The reversal of 1026504263 is 3624056201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1026504263 - 2¹⁴ = 1026487879 is a prime.

It is a super-2 number, since 2×1026504263² = 2107422003914346338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026504223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513252131 + 513252132.

It is an arithmetic number, because the mean of its divisors is an integer number (513252132).

Almost surely, 2^1026504263 is an apocalyptic number.

1026504263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026504263 is an equidigital number, since it uses as much as digits as its factorization.

1026504263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1026504263 is about 32039.1052153458. The cubic root of 1026504263 is about 1008.7578308252.

The spelling of 1026504263 in words is "one billion, twenty-six million, five hundred four thousand, two hundred sixty-three".