655030 has 16 divisors (see below), whose sum is σ = 1217664. Its totient is φ = 253440.

The previous prime is 655021. The next prime is 655033. The reversal of 655030 is 30556.

It is a junction number, because it is equal to n+sod(n) for n = 654989 and 655007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747 + ... + 1366.

It is an arithmetic number, because the mean of its divisors is an integer number (76104).

2⁶⁵⁵⁰³⁰ is an apocalyptic number.

655030 is a deficient number, since it is larger than the sum of its proper divisors (562634).

655030 is a wasteful number, since it uses less digits than its factorization.

655030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 655030 is about 809.3392366616. The cubic root of 655030 is about 86.8467818918.

Adding to 655030 its reverse (30556), we get a palindrome (685586).

The spelling of 655030 in words is "six hundred fifty-five thousand, thirty".