525245503 has 8 divisors (see below), whose sum is σ = 550545408. Its totient is φ = 500150904.

The previous prime is 525245491. The next prime is 525245507. The reversal of 525245503 is 305542525.

It is a happy number.

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 525245503 - 2⁵ = 525245471 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 (525245507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46075 + ... + 56332.

It is an arithmetic number, because the mean of its divisors is an integer number (68818176).

Almost surely, 2^525245503 is an apocalyptic number.

525245503 is a deficient number, since it is larger than the sum of its proper divisors (25299905).

525245503 is a wasteful number, since it uses less digits than its factorization.

525245503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102653.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 525245503 is about 22918.2351632930. The cubic root of 525245503 is about 806.8400499477.

The spelling of 525245503 in words is "five hundred twenty-five million, two hundred forty-five thousand, five hundred three".