211425030 has 96 divisors (see below), whose sum is σ = 569372544. Its totient is φ = 54390528.

The previous prime is 211425029. The next prime is 211425047. The reversal of 211425030 is 30524112.

211425030 is a `hidden beast` number, since 21 + 142 + 503 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211424994 and 211425012.

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, 575907 + ... + 576273.

It is an arithmetic number, because the mean of its divisors is an integer number (5930964).

Almost surely, 2^211425030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211425030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284686272).

211425030 is an abundant number, since it is smaller than the sum of its proper divisors (357947514).

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

211425030 is a wasteful number, since it uses less digits than its factorization.

211425030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 211425030 is about 14540.4618221018. The cubic root of 211425030 is about 595.7336523658.

Adding to 211425030 its reverse (30524112), we get a palindrome (241949142).

The spelling of 211425030 in words is "two hundred eleven million, four hundred twenty-five thousand, thirty".