5261321928 has 32 divisors (see below), whose sum is σ = 13155357600. Its totient is φ = 1753500288.

The previous prime is 5261321927. The next prime is 5261321963. The reversal of 5261321928 is 8291231625.

It is not an unprimeable number, because it can be changed into a prime (5261321927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192100 + ... + 217772.

It is an arithmetic number, because the mean of its divisors is an integer number (411104925).

Almost surely, 2^5261321928 is an apocalyptic number.

It is an amenable number.

5261321928 is an abundant number, since it is smaller than the sum of its proper divisors (7894035672).

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

5261321928 is a wasteful number, since it uses less digits than its factorization.

5261321928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34221 (or 34217 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 5261321928 is about 72534.9703798106. The cubic root of 5261321928 is about 1739.2618007470.

The spelling of 5261321928 in words is "five billion, two hundred sixty-one million, three hundred twenty-one thousand, nine hundred twenty-eight".