5261366052 has 72 divisors (see below), whose sum is σ = 13405812056. Its totient is φ = 1739833344.

The previous prime is 5261366051. The next prime is 5261366053. The reversal of 5261366052 is 2506631625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5261366051) and next prime (5261366053).

It can be written as a sum of positive squares in 4 ways, for example, as 684031716 + 4577334336 = 26154^2 + 67656^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5261365998 and 5261366016.

It is not an unprimeable number, because it can be changed into a prime (5261366051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3174408 + ... + 3176064.

Almost surely, 2^5261366052 is an apocalyptic number.

It is an amenable number.

5261366052 is an abundant number, since it is smaller than the sum of its proper divisors (8144446004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5261366052 is a wasteful number, since it uses less digits than its factorization.

5261366052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2312 counting only the distinct ones).

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

The square root of 5261366052 is about 72535.2745359111. The cubic root of 5261366052 is about 1739.2666628314.

Adding to 5261366052 its reverse (2506631625), we get a palindrome (7767997677).

The spelling of 5261366052 in words is "five billion, two hundred sixty-one million, three hundred sixty-six thousand, fifty-two".