6555425 has 6 divisors (see below), whose sum is σ = 8128758. Its totient is φ = 5244320.

The previous prime is 6555413. The next prime is 6555427. The reversal of 6555425 is 5245556.

It can be written as a sum of positive squares in 3 ways, for example, as 1697809 + 4857616 = 1303^2 + 2204^2 .

It is not a de Polignac number, because 6555425 - 2⁸ = 6555169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6555391 and 6555400.

It is not an unprimeable number, because it can be changed into a prime (6555427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131084 + ... + 131133.

It is an arithmetic number, because the mean of its divisors is an integer number (1354793).

Almost surely, 2^6555425 is an apocalyptic number.

It is an amenable number.

6555425 is a deficient number, since it is larger than the sum of its proper divisors (1573333).

6555425 is a wasteful number, since it uses less digits than its factorization.

6555425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262227 (or 262222 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 6555425 is about 2560.3564205009. The cubic root of 6555425 is about 187.1545045070.

The spelling of 6555425 in words is "six million, five hundred fifty-five thousand, four hundred twenty-five".