213525030 has 16 divisors (see below), whose sum is σ = 512460144. Its totient is φ = 56940000.

The previous prime is 213525029. The next prime is 213525041. The reversal of 213525030 is 30525312.

It is a junction number, because it is equal to n+sod(n) for n = 213524988 and 213525006.

It is a congruent number.

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, 3558721 + ... + 3558780.

It is an arithmetic number, because the mean of its divisors is an integer number (32028759).

Almost surely, 2^213525030 is an apocalyptic number.

213525030 is an abundant number, since it is smaller than the sum of its proper divisors (298935114).

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

213525030 is a wasteful number, since it uses less digits than its factorization.

213525030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117511.

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

The square root of 213525030 is about 14612.4956800678. The cubic root of 213525030 is about 597.6995522839.

The spelling of 213525030 in words is "two hundred thirteen million, five hundred twenty-five thousand, thirty".