526289481 has 15 divisors (see below), whose sum is σ = 786494071. Its totient is φ = 350722008.

The previous prime is 526289479. The next prime is 526289501. The reversal of 526289481 is 184982625.

The square root of 526289481 is 22941.

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

526289481 is a `hidden beast` number, since 526 + 2 + 89 + 48 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 486599481 + 39690000 = 22059^2 + 6300^2 .

It is not a de Polignac number, because 526289481 - 2¹ = 526289479 is a prime.

It is a super-2 number, since 2×526289481² = 553961235622498722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526289581) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 205195 + ... + 207743.

Almost surely, 2^526289481 is an apocalyptic number.

526289481 is the 22941-st square number.

526289481 is the 11471-st centered octagonal number.

It is an amenable number.

526289481 is a deficient number, since it is larger than the sum of its proper divisors (260204590).

526289481 is an frugal number, since it uses more digits than its factorization.

526289481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110 (or 2552 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The cubic root of 526289481 is about 807.3742546228.

The spelling of 526289481 in words is "five hundred twenty-six million, two hundred eighty-nine thousand, four hundred eighty-one".