525423503 has 12 divisors (see below), whose sum is σ = 588435624. Its totient is φ = 468639600.

The previous prime is 525423463. The next prime is 525423517. The reversal of 525423503 is 305324525.

It is not a de Polignac number, because 525423503 - 2¹⁴ = 525407119 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 (525423553) 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 11 ways as a sum of consecutive naturals, for example, 34553 + ... + 47378.

It is an arithmetic number, because the mean of its divisors is an integer number (49036302).

Almost surely, 2^525423503 is an apocalyptic number.

525423503 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

525423503 is a deficient number, since it is larger than the sum of its proper divisors (63012121).

525423503 is a wasteful number, since it uses less digits than its factorization.

525423503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82006 (or 81995 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 525423503 is about 22922.1182049129. The cubic root of 525423503 is about 806.9311827657.

The spelling of 525423503 in words is "five hundred twenty-five million, four hundred twenty-three thousand, five hundred three".