525280523 has 8 divisors (see below), whose sum is σ = 548760576. Its totient is φ = 502209000.

The previous prime is 525280519. The next prime is 525280531. The reversal of 525280523 is 325082525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525280523 - 2² = 525280519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525280523.

It is not an unprimeable number, because it can be changed into a prime (525283523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99503 + ... + 104648.

It is an arithmetic number, because the mean of its divisors is an integer number (68595072).

Almost surely, 2^525280523 is an apocalyptic number.

525280523 is a deficient number, since it is larger than the sum of its proper divisors (23480053).

525280523 is a wasteful number, since it uses less digits than its factorization.

525280523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204265.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 525280523 is about 22918.9991709935. Note that the first 3 decimals coincide. The cubic root of 525280523 is about 806.8579811884.

The spelling of 525280523 in words is "five hundred twenty-five million, two hundred eighty thousand, five hundred twenty-three".