525384311 has 4 divisors (see below), whose sum is σ = 542332224. Its totient is φ = 508436400.

The previous prime is 525384289. The next prime is 525384313. The reversal of 525384311 is 113483525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525384311 - 2⁶ = 525384247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525384313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8473910 + ... + 8473971.

It is an arithmetic number, because the mean of its divisors is an integer number (135583056).

Almost surely, 2^525384311 is an apocalyptic number.

525384311 is a deficient number, since it is larger than the sum of its proper divisors (16947913).

525384311 is a wasteful number, since it uses less digits than its factorization.

525384311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16947912.

The product of its digits is 14400, while the sum is 32.

The square root of 525384311 is about 22921.2632941555. The cubic root of 525384311 is about 806.9111189295.

The spelling of 525384311 in words is "five hundred twenty-five million, three hundred eighty-four thousand, three hundred eleven".