2573203523 has 4 divisors (see below), whose sum is σ = 2807131128. Its totient is φ = 2339275920.

The previous prime is 2573203519. The next prime is 2573203543. The reversal of 2573203523 is 3253023752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2573203523 - 2² = 2573203519 is a prime.

It is a super-2 number, since 2×2573203523² = 13242752741559223058, which contains 22 as substring.

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 2573203523.

It is not an unprimeable number, because it can be changed into a prime (2573203543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116963786 + ... + 116963807.

It is an arithmetic number, because the mean of its divisors is an integer number (701782782).

Almost surely, 2^2573203523 is an apocalyptic number.

2573203523 is a deficient number, since it is larger than the sum of its proper divisors (233927605).

2573203523 is a wasteful number, since it uses less digits than its factorization.

2573203523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233927604.

The product of its (nonzero) digits is 37800, while the sum is 32.

The square root of 2573203523 is about 50726.7535231657. The cubic root of 2573203523 is about 1370.3285700279.

The spelling of 2573203523 in words is "two billion, five hundred seventy-three million, two hundred three thousand, five hundred twenty-three".