525830311 has 2 divisors, whose sum is σ = 525830312. Its totient is φ = 525830310.

The previous prime is 525830303. The next prime is 525830323. The reversal of 525830311 is 113038525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525830311 - 2³ = 525830303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525830311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525830351) 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 as a sum of consecutive naturals, namely, 262915155 + 262915156.

It is an arithmetic number, because the mean of its divisors is an integer number (262915156).

Almost surely, 2^525830311 is an apocalyptic number.

525830311 is a deficient number, since it is larger than the sum of its proper divisors (1).

525830311 is an equidigital number, since it uses as much as digits as its factorization.

525830311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 525830311 is about 22930.9901879531. The cubic root of 525830311 is about 807.1393839440.

Adding to 525830311 its reverse (113038525), we get a palindrome (638868836).

The spelling of 525830311 in words is "five hundred twenty-five million, eight hundred thirty thousand, three hundred eleven".