525304412 has 12 divisors (see below), whose sum is σ = 936628056. Its totient is φ = 257696400.

The previous prime is 525304411. The next prime is 525304421. The reversal of 525304412 is 214403525.

It is a happy number.

It is a super-4 number, since 4×525304412⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525304411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238714 + ... + 1239137.

It is an arithmetic number, because the mean of its divisors is an integer number (78052338).

Almost surely, 2^525304412 is an apocalyptic number.

It is an amenable number.

525304412 is a deficient number, since it is larger than the sum of its proper divisors (411323644).

525304412 is a wasteful number, since it uses less digits than its factorization.

525304412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477908 (or 2477906 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 525304412 is about 22919.5203265688. The cubic root of 525304412 is about 806.8702125818.

Adding to 525304412 its reverse (214403525), we get a palindrome (739707937).

The spelling of 525304412 in words is "five hundred twenty-five million, three hundred four thousand, four hundred twelve".