526320531 has 32 divisors (see below), whose sum is σ = 853079040. Its totient is φ = 318060000.

The previous prime is 526320517. The next prime is 526320541. The reversal of 526320531 is 135023625.

526320531 is a `hidden beast` number, since 52 + 63 + 20 + 531 = 666.

It is not a de Polignac number, because 526320531 - 2⁵ = 526320499 is a prime.

It is a super-2 number, since 2×526320531² = 554026602704243922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 526320495 and 526320504.

It is not an unprimeable number, because it can be changed into a prime (526320541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108406 + ... + 113156.

It is an arithmetic number, because the mean of its divisors is an integer number (26658720).

Almost surely, 2^526320531 is an apocalyptic number.

526320531 is a deficient number, since it is larger than the sum of its proper divisors (326758509).

526320531 is a wasteful number, since it uses less digits than its factorization.

526320531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144 (or 5138 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 526320531 is about 22941.6767259937. The cubic root of 526320531 is about 807.3901321189.

It can be divided in two parts, 526320 and 531, that added together give a triangular number (526851 = T₁₀₂₆).

The spelling of 526320531 in words is "five hundred twenty-six million, three hundred twenty thousand, five hundred thirty-one".