211232425 has 12 divisors (see below), whose sum is σ = 262109340. Its totient is φ = 168869120.

The previous prime is 211232423. The next prime is 211232431. The reversal of 211232425 is 524232112.

It is a happy number.

211232425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 17799961 + 193432464 = 4219^2 + 13908^2 .

It is not a de Polignac number, because 211232425 - 2¹ = 211232423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211232396 and 211232405.

It is not an unprimeable number, because it can be changed into a prime (211232423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64221 + ... + 67429.

It is an arithmetic number, because the mean of its divisors is an integer number (21842445).

Almost surely, 2^211232425 is an apocalyptic number.

211232425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211232425 is a deficient number, since it is larger than the sum of its proper divisors (50876915).

211232425 is a wasteful number, since it uses less digits than its factorization.

211232425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852 (or 5847 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 211232425 is about 14533.8372427931. The cubic root of 211232425 is about 595.5526959604.

Adding to 211232425 its reverse (524232112), we get a palindrome (735464537).

The spelling of 211232425 in words is "two hundred eleven million, two hundred thirty-two thousand, four hundred twenty-five".