5263661403 has 96 divisors (see below), whose sum is σ = 10484877312. Its totient is φ = 2455660800.

The previous prime is 5263661317. The next prime is 5263661411. The reversal of 5263661403 is 3041663625.

5263661403 is a `hidden beast` number, since 5 + 2 + 6 + 36 + 614 + 0 + 3 = 666.

It is not a de Polignac number, because 5263661403 - 2⁹ = 5263660891 is a prime.

It is a super-2 number, since 2×5263661403² = 55412262730863856818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5263661413) 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 in 95 ways as a sum of consecutive naturals, for example, 325438 + ... + 341228.

It is an arithmetic number, because the mean of its divisors is an integer number (109217472).

Almost surely, 2^5263661403 is an apocalyptic number.

5263661403 is a deficient number, since it is larger than the sum of its proper divisors (5221215909).

5263661403 is a wasteful number, since it uses less digits than its factorization.

5263661403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15865 (or 15862 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 5263661403 is about 72551.0951192330. The cubic root of 5263661403 is about 1739.5195532416.

It can be divided in two parts, 5263 and 661403, that added together give a palindrome (666666).

The spelling of 5263661403 in words is "five billion, two hundred sixty-three million, six hundred sixty-one thousand, four hundred three".