212325404 has 6 divisors (see below), whose sum is σ = 371569464. Its totient is φ = 106162700.

The previous prime is 212325389. The next prime is 212325409. The reversal of 212325404 is 404523212.

It is a happy number.

212325404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212325404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212325409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26540672 + ... + 26540679.

It is an arithmetic number, because the mean of its divisors is an integer number (61928244).

Almost surely, 2^212325404 is an apocalyptic number.

It is an amenable number.

212325404 is a deficient number, since it is larger than the sum of its proper divisors (159244060).

212325404 is a wasteful number, since it uses less digits than its factorization.

212325404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53081355 (or 53081353 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 212325404 is about 14571.3899131140. The cubic root of 212325404 is about 596.5781179346.

Adding to 212325404 its reverse (404523212), we get a palindrome (616848616).

The spelling of 212325404 in words is "two hundred twelve million, three hundred twenty-five thousand, four hundred four".