523444325 has 6 divisors (see below), whose sum is σ = 649070994. Its totient is φ = 418755440.

The previous prime is 523444309. The next prime is 523444349.

523444325 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 145491844 + 377952481 = 12062^2 + 19441^2 .

It is not a de Polignac number, because 523444325 - 2⁴ = 523444309 is a prime.

It is a super-2 number, since 2×523444325² = 547987922749411250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523444291 and 523444300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10468862 + ... + 10468911.

It is an arithmetic number, because the mean of its divisors is an integer number (108178499).

Almost surely, 2^523444325 is an apocalyptic number.

It is an amenable number.

523444325 is a deficient number, since it is larger than the sum of its proper divisors (125626669).

523444325 is a wasteful number, since it uses less digits than its factorization.

523444325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20937783 (or 20937778 counting only the distinct ones).

The product of its digits is 57600, while the sum is 32.

The square root of 523444325 is about 22878.9056775013. The cubic root of 523444325 is about 805.9167186085.

The spelling of 523444325 in words is "five hundred twenty-three million, four hundred forty-four thousand, three hundred twenty-five".