6527256641 has 16 divisors (see below), whose sum is σ = 7242753024. Its totient is φ = 5850898944.

The previous prime is 6527256587. The next prime is 6527256653. The reversal of 6527256641 is 1466527256.

It is a cyclic number.

It is not a de Polignac number, because 6527256641 - 2¹⁸ = 6526994497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6527256592 and 6527256601.

It is not an unprimeable number, because it can be changed into a prime (6527256661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55280 + ... + 126926.

It is an arithmetic number, because the mean of its divisors is an integer number (452672064).

Almost surely, 2^6527256641 is an apocalyptic number.

It is an amenable number.

6527256641 is a deficient number, since it is larger than the sum of its proper divisors (715496383).

6527256641 is a wasteful number, since it uses less digits than its factorization.

6527256641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71920.

The product of its digits is 604800, while the sum is 44.

The square root of 6527256641 is about 80791.4391566334. The cubic root of 6527256641 is about 1868.8605487470.

The spelling of 6527256641 in words is "six billion, five hundred twenty-seven million, two hundred fifty-six thousand, six hundred forty-one".