655230425 has 12 divisors (see below), whose sum is σ = 812833020. Its totient is φ = 523960320.

The previous prime is 655230403. The next prime is 655230427. The reversal of 655230425 is 524032556.

It can be written as a sum of positive squares in 6 ways, for example, as 151856329 + 503374096 = 12323^2 + 22436^2 .

It is not a de Polignac number, because 655230425 - 2¹⁰ = 655229401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655230391 and 655230400.

It is not an unprimeable number, because it can be changed into a prime (655230427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79289 + ... + 87161.

It is an arithmetic number, because the mean of its divisors is an integer number (67736085).

Almost surely, 2^655230425 is an apocalyptic number.

It is an amenable number.

655230425 is a deficient number, since it is larger than the sum of its proper divisors (157602595).

655230425 is a wasteful number, since it uses less digits than its factorization.

655230425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212 (or 11207 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 655230425 is about 25597.4691131760. The cubic root of 655230425 is about 868.5563873355.

The spelling of 655230425 in words is "six hundred fifty-five million, two hundred thirty thousand, four hundred twenty-five".