5261347000 has 512 divisors, whose sum is σ = 16982784000. Its totient is φ = 1476403200.

The previous prime is 5261346973. The next prime is 5261347043. The reversal of 5261347000 is 7431625.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 5261347000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29392911 + ... + 29393089.

It is an arithmetic number, because the mean of its divisors is an integer number (33169500).

Almost surely, 2^5261347000 is an apocalyptic number.

5261347000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5261347000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8491392000).

5261347000 is an abundant number, since it is smaller than the sum of its proper divisors (11721437000).

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

5261347000 is a wasteful number, since it uses less digits than its factorization.

5261347000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 5261347000 is about 72535.1432065864. The cubic root of 5261347000 is about 1739.2645634686.

Adding to 5261347000 its reverse (7431625), we get a palindrome (5268778625).

The spelling of 5261347000 in words is "five billion, two hundred sixty-one million, three hundred forty-seven thousand".