211325430 has 16 divisors (see below), whose sum is σ = 507181104. Its totient is φ = 56353440.

The previous prime is 211325383. The next prime is 211325447. The reversal of 211325430 is 34523112.

211325430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211325397 and 211325406.

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, 3522061 + ... + 3522120.

It is an arithmetic number, because the mean of its divisors is an integer number (31698819).

Almost surely, 2^211325430 is an apocalyptic number.

211325430 is an abundant number, since it is smaller than the sum of its proper divisors (295855674).

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

211325430 is a wasteful number, since it uses less digits than its factorization.

211325430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044191.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 211325430 is about 14537.0364930408. The cubic root of 211325430 is about 595.6400898209.

Adding to 211325430 its reverse (34523112), we get a palindrome (245848542).

It can be divided in two parts, 21132 and 5430, that added together give a palindrome (26562).

The spelling of 211325430 in words is "two hundred eleven million, three hundred twenty-five thousand, four hundred thirty".