525290523 has 8 divisors (see below), whose sum is σ = 701345808. Its totient is φ = 349714464.

The previous prime is 525290509. The next prime is 525290533. The reversal of 525290523 is 325092525.

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

It is not a de Polignac number, because 525290523 - 2⁹ = 525290011 is a prime.

It is a super-2 number, since 2×525290523² = 551860267107227058, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (525290533) 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 7 ways as a sum of consecutive naturals, for example, 117240 + ... + 121637.

It is an arithmetic number, because the mean of its divisors is an integer number (87668226).

Almost surely, 2^525290523 is an apocalyptic number.

525290523 is a deficient number, since it is larger than the sum of its proper divisors (176055285).

525290523 is a wasteful number, since it uses less digits than its factorization.

525290523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239613.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 525290523 is about 22919.2173295687. The cubic root of 525290523 is about 806.8631013279.

The spelling of 525290523 in words is "five hundred twenty-five million, two hundred ninety thousand, five hundred twenty-three".