523533445 has 8 divisors (see below), whose sum is σ = 665195544. Its totient is φ = 394189824.

The previous prime is 523533427. The next prime is 523533463. The reversal of 523533445 is 544335325.

It is an interprime number because it is at equal distance from previous prime (523533427) and next prime (523533463).

It can be written as a sum of positive squares in 4 ways, for example, as 119443041 + 404090404 = 10929^2 + 20102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523533445 - 2¹¹ = 523531397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523533445.

It is a congruent number.

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, 3079524 + ... + 3079693.

It is an arithmetic number, because the mean of its divisors is an integer number (83149443).

Almost surely, 2^523533445 is an apocalyptic number.

It is an amenable number.

523533445 is a deficient number, since it is larger than the sum of its proper divisors (141662099).

523533445 is a wasteful number, since it uses less digits than its factorization.

523533445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159239.

The product of its digits is 108000, while the sum is 34.

The square root of 523533445 is about 22880.8532402094. The cubic root of 523533445 is about 805.9624536363.

The spelling of 523533445 in words is "five hundred twenty-three million, five hundred thirty-three thousand, four hundred forty-five".