210125530 has 16 divisors (see below), whose sum is σ = 381762720. Its totient is φ = 83264272.

The previous prime is 210125527. The next prime is 210125599. The reversal of 210125530 is 35521012.

It is a junction number, because it is equal to n+sod(n) for n = 210125498 and 210125507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97120 + ... + 99259.

It is an arithmetic number, because the mean of its divisors is an integer number (23860170).

Almost surely, 2^210125530 is an apocalyptic number.

210125530 is a deficient number, since it is larger than the sum of its proper divisors (171637190).

210125530 is a wasteful number, since it uses less digits than its factorization.

210125530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196493.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 210125530 is about 14495.7072956100. The cubic root of 210125530 is about 594.5106066891.

Adding to 210125530 its reverse (35521012), we get a palindrome (245646542).

The spelling of 210125530 in words is "two hundred ten million, one hundred twenty-five thousand, five hundred thirty".