5261540052 has 24 divisors (see below), whose sum is σ = 12999099456. Its totient is φ = 1650679168.

The previous prime is 5261540033. The next prime is 5261540077. The reversal of 5261540052 is 2500451625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12895728 + ... + 12896135.

It is an arithmetic number, because the mean of its divisors is an integer number (541629144).

Almost surely, 2^5261540052 is an apocalyptic number.

It is an amenable number.

5261540052 is an abundant number, since it is smaller than the sum of its proper divisors (7737559404).

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

5261540052 is a wasteful number, since it uses less digits than its factorization.

5261540052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25791887 (or 25791885 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5261540052 is about 72536.4739424243. The cubic root of 5261540052 is about 1739.2858358662.

Adding to 5261540052 its reverse (2500451625), we get a palindrome (7761991677).

The spelling of 5261540052 in words is "five billion, two hundred sixty-one million, five hundred forty thousand, fifty-two".