525905099 has 2 divisors, whose sum is σ = 525905100. Its totient is φ = 525905098.

The previous prime is 525905071. The next prime is 525905101. The reversal of 525905099 is 990509525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525905099 is a prime.

Together with 525905101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (525901099) 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, 262952549 + 262952550.

It is an arithmetic number, because the mean of its divisors is an integer number (262952550).

Almost surely, 2^525905099 is an apocalyptic number.

525905099 is a deficient number, since it is larger than the sum of its proper divisors (1).

525905099 is an equidigital number, since it uses as much as digits as its factorization.

525905099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182250, while the sum is 44.

The square root of 525905099 is about 22932.6208489130. The cubic root of 525905099 is about 807.1776481757.

The spelling of 525905099 in words is "five hundred twenty-five million, nine hundred five thousand, ninety-nine".