6539029325 has 6 divisors (see below), whose sum is σ = 8108396394. Its totient is φ = 5231223440.

The previous prime is 6539029319. The next prime is 6539029331. The reversal of 6539029325 is 5239209356.

It is an interprime number because it is at equal distance from previous prime (6539029319) and next prime (6539029331).

It can be written as a sum of positive squares in 3 ways, for example, as 80335369 + 6458693956 = 8963^2 + 80366^2 .

It is not a de Polignac number, because 6539029325 - 2⁴ = 6539029309 is a prime.

It is a Duffinian number.

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, 130780562 + ... + 130780611.

It is an arithmetic number, because the mean of its divisors is an integer number (1351399399).

Almost surely, 2^6539029325 is an apocalyptic number.

It is an amenable number.

6539029325 is a deficient number, since it is larger than the sum of its proper divisors (1569367069).

6539029325 is a wasteful number, since it uses less digits than its factorization.

6539029325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261561183 (or 261561178 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 44.

The square root of 6539029325 is about 80864.2648207476. The cubic root of 6539029325 is about 1869.9834447141.

The spelling of 6539029325 in words is "six billion, five hundred thirty-nine million, twenty-nine thousand, three hundred twenty-five".