6261328572 has 12 divisors (see below), whose sum is σ = 14609766696. Its totient is φ = 2087109520.

The previous prime is 6261328561. The next prime is 6261328597. The reversal of 6261328572 is 2758231626.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260888679 + ... + 260888702.

It is an arithmetic number, because the mean of its divisors is an integer number (1217480558).

Almost surely, 2^6261328572 is an apocalyptic number.

It is an amenable number.

6261328572 is an abundant number, since it is smaller than the sum of its proper divisors (8348438124).

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

6261328572 is a wasteful number, since it uses less digits than its factorization.

6261328572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521777388 (or 521777386 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 6261328572 is about 79128.5572470521. The cubic root of 6261328572 is about 1843.1280060046.

The spelling of 6261328572 in words is "six billion, two hundred sixty-one million, three hundred twenty-eight thousand, five hundred seventy-two".