6325581725 has 6 divisors (see below), whose sum is σ = 7843721370. Its totient is φ = 5060465360.

The previous prime is 6325581719. The next prime is 6325581737. The reversal of 6325581725 is 5271855236.

It can be written as a sum of positive squares in 3 ways, for example, as 243297604 + 6082284121 = 15598^2 + 77989^2 .

It is not a de Polignac number, because 6325581725 - 2⁴ = 6325581709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126511610 + ... + 126511659.

It is an arithmetic number, because the mean of its divisors is an integer number (1307286895).

Almost surely, 2^6325581725 is an apocalyptic number.

It is an amenable number.

6325581725 is a deficient number, since it is larger than the sum of its proper divisors (1518139645).

6325581725 is a wasteful number, since it uses less digits than its factorization.

6325581725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253023279 (or 253023274 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 6325581725 is about 79533.5257925864. The cubic root of 6325581725 is about 1849.4112297340.

The spelling of 6325581725 in words is "six billion, three hundred twenty-five million, five hundred eighty-one thousand, seven hundred twenty-five".