523448641 has 9 divisors (see below), whose sum is σ = 530473699. Its totient is φ = 516516304.

The previous prime is 523448593. The next prime is 523448647. The reversal of 523448641 is 146844325.

The square root of 523448641 is 22879.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 307476225 + 215972416 = 17535^2 + 14696^2 .

It is not a de Polignac number, because 523448641 - 2¹⁷ = 523317569 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 523448641.

It is not an unprimeable number, because it can be changed into a prime (523448647) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3134340 + ... + 3134506.

Almost surely, 2^523448641 is an apocalyptic number.

523448641 is the 22879-th square number.

523448641 is the 11440-th centered octagonal number.

It is an amenable number.

523448641 is a deficient number, since it is larger than the sum of its proper divisors (7025058).

523448641 is an frugal number, since it uses more digits than its factorization.

523448641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 304 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The cubic root of 523448641 is about 805.9189336336.

The spelling of 523448641 in words is "five hundred twenty-three million, four hundred forty-eight thousand, six hundred forty-one".