255215030 has 96 divisors (see below), whose sum is σ = 571276800. Its totient is φ = 81611712.

The previous prime is 255215021. The next prime is 255215053. The reversal of 255215030 is 30512552.

It is a junction number, because it is equal to n+sod(n) for n = 255214987 and 255215005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 735317 + ... + 735663.

It is an arithmetic number, because the mean of its divisors is an integer number (5950800).

Almost surely, 2^255215030 is an apocalyptic number.

255215030 is an abundant number, since it is smaller than the sum of its proper divisors (316061770).

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

255215030 is a wasteful number, since it uses less digits than its factorization.

255215030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 255215030 is about 15975.4508543578. The cubic root of 255215030 is about 634.3107655928.

Adding to 255215030 its reverse (30512552), we get a palindrome (285727582).

The spelling of 255215030 in words is "two hundred fifty-five million, two hundred fifteen thousand, thirty".