5265063261 has 28 divisors (see below), whose sum is σ = 7908296572. Its totient is φ = 3503678976.

The previous prime is 5265063203. The next prime is 5265063269. The reversal of 5265063261 is 1623605625.

It is a happy number.

5265063261 is a `hidden beast` number, since 526 + 50 + 63 + 26 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5119402500 + 145660761 = 71550^2 + 12069^2 .

It is not a de Polignac number, because 5265063261 - 2¹⁸ = 5264801117 is a prime.

It is a super-2 number, since 2×5265063261² = 55441782284663908242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265063269) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 414375 + ... + 426891.

Almost surely, 2^5265063261 is an apocalyptic number.

It is an amenable number.

5265063261 is a deficient number, since it is larger than the sum of its proper divisors (2643233311).

5265063261 is an equidigital number, since it uses as much as digits as its factorization.

5265063261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112 (or 13097 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5265063261 is about 72560.7556534522. The cubic root of 5265063261 is about 1739.6739668562.

Adding to 5265063261 its reverse (1623605625), we get a palindrome (6888668886).

The spelling of 5265063261 in words is "five billion, two hundred sixty-five million, sixty-three thousand, two hundred sixty-one".