525340531 has 2 divisors, whose sum is σ = 525340532. Its totient is φ = 525340530.

The previous prime is 525340507. The next prime is 525340537. The reversal of 525340531 is 135043525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525340531 - 2⁵ = 525340499 is a prime.

It is a super-2 number, since 2×525340531² = 551965347022723922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525340531.

It is not a weakly prime, because it can be changed into another prime (525340537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262670265 + 262670266.

It is an arithmetic number, because the mean of its divisors is an integer number (262670266).

Almost surely, 2^525340531 is an apocalyptic number.

525340531 is a deficient number, since it is larger than the sum of its proper divisors (1).

525340531 is an equidigital number, since it uses as much as digits as its factorization.

525340531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 525340531 is about 22920.3082658153. The cubic root of 525340531 is about 806.8887051463. Note that the first 3 decimals are identical.

It can be divided in two parts, 525 and 340531, that added together give a square (341056 = 584²).

The spelling of 525340531 in words is "five hundred twenty-five million, three hundred forty thousand, five hundred thirty-one".