203045530525 has 6 divisors (see below), whose sum is σ = 251776457882. Its totient is φ = 162436424400.

The previous prime is 203045530481. The next prime is 203045530547. The reversal of 203045530525 is 525035540302.

It can be written as a sum of positive squares in 3 ways, for example, as 70650703204 + 132394827321 = 265802^2 + 363861^2 .

It is not a de Polignac number, because 203045530525 - 2²⁷ = 202911312797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4060910586 + ... + 4060910635.

Almost surely, 2^203045530525 is an apocalyptic number.

203045530525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203045530525 is a deficient number, since it is larger than the sum of its proper divisors (48730927357).

203045530525 is an equidigital number, since it uses as much as digits as its factorization.

203045530525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121821231 (or 8121821226 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 203045530525 in words is "two hundred three billion, forty-five million, five hundred thirty thousand, five hundred twenty-five".