255213030 has 16 divisors (see below), whose sum is σ = 612511344. Its totient is φ = 68056800.

The previous prime is 255212933. The next prime is 255213031. The reversal of 255213030 is 30312552.

It is a junction number, because it is equal to n+sod(n) for n = 255212988 and 255213006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255213031) 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, 4253521 + ... + 4253580.

It is an arithmetic number, because the mean of its divisors is an integer number (38281959).

Almost surely, 2^255213030 is an apocalyptic number.

255213030 is an abundant number, since it is smaller than the sum of its proper divisors (357298314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255213030 is a wasteful number, since it uses less digits than its factorization.

255213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507111.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 255213030 is about 15975.3882581927. The cubic root of 255213030 is about 634.3091086569.

Adding to 255213030 its reverse (30312552), we get a palindrome (285525582).

The spelling of 255213030 in words is "two hundred fifty-five million, two hundred thirteen thousand, thirty".