6567405425 has 12 divisors (see below), whose sum is σ = 9306951936. Its totient is φ = 4503363600.

The previous prime is 6567405407. The next prime is 6567405433. The reversal of 6567405425 is 5245047656.

It is not a de Polignac number, because 6567405425 - 2¹² = 6567401329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18763841 + ... + 18764190.

It is an arithmetic number, because the mean of its divisors is an integer number (775579328).

Almost surely, 2^6567405425 is an apocalyptic number.

It is an amenable number.

6567405425 is a deficient number, since it is larger than the sum of its proper divisors (2739546511).

6567405425 is a wasteful number, since it uses less digits than its factorization.

6567405425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37528048 (or 37528043 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The square root of 6567405425 is about 81039.5300146786. The cubic root of 6567405425 is about 1872.6844708021.

The spelling of 6567405425 in words is "six billion, five hundred sixty-seven million, four hundred five thousand, four hundred twenty-five".