6525661007 has 2 divisors, whose sum is σ = 6525661008. Its totient is φ = 6525661006.

The previous prime is 6525661003. The next prime is 6525661013. The reversal of 6525661007 is 7001665256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6525661007 - 2² = 6525661003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6525661003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3262830503 + 3262830504.

It is an arithmetic number, because the mean of its divisors is an integer number (3262830504).

Almost surely, 2^6525661007 is an apocalyptic number.

6525661007 is a deficient number, since it is larger than the sum of its proper divisors (1).

6525661007 is an equidigital number, since it uses as much as digits as its factorization.

6525661007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 6525661007 is about 80781.5635340144. The cubic root of 6525661007 is about 1868.7082509482.

The spelling of 6525661007 in words is "six billion, five hundred twenty-five million, six hundred sixty-one thousand, seven".