525012811 has 4 divisors (see below), whose sum is σ = 525059224. Its totient is φ = 524966400.

The previous prime is 525012809. The next prime is 525012841. The reversal of 525012811 is 118210525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 525012811 - 2¹ = 525012809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525012841) 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 3 ways as a sum of consecutive naturals, for example, 6091 + ... + 32971.

It is an arithmetic number, because the mean of its divisors is an integer number (131264806).

Almost surely, 2^525012811 is an apocalyptic number.

525012811 is a deficient number, since it is larger than the sum of its proper divisors (46413).

525012811 is a wasteful number, since it uses less digits than its factorization.

525012811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46412.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 525012811 is about 22913.1580320130. The cubic root of 525012811 is about 806.7208847476.

The spelling of 525012811 in words is "five hundred twenty-five million, twelve thousand, eight hundred eleven".