604212520 has 32 divisors (see below), whose sum is σ = 1360333800. Its totient is φ = 241532928.

The previous prime is 604212443. The next prime is 604212541. The reversal of 604212520 is 25212406.

It can be written as a sum of positive squares in 4 ways, for example, as 560837124 + 43375396 = 23682^2 + 6586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 604212491 and 604212500.

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, 76936 + ... + 84424.

Almost surely, 2^604212520 is an apocalyptic number.

It is an amenable number.

604212520 is an abundant number, since it is smaller than the sum of its proper divisors (756121280).

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

604212520 is a wasteful number, since it uses less digits than its factorization.

604212520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517 (or 9513 counting only the distinct ones).

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

The square root of 604212520 is about 24580.7347327129. The cubic root of 604212520 is about 845.4019398907.

Adding to 604212520 its reverse (25212406), we get a palindrome (629424926).

The spelling of 604212520 in words is "six hundred four million, two hundred twelve thousand, five hundred twenty".