2575503605 has 4 divisors (see below), whose sum is σ = 3090604332. Its totient is φ = 2060402880.

The previous prime is 2575503521. The next prime is 2575503611. The reversal of 2575503605 is 5063055752.

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

It can be written as a sum of positive squares in 2 ways, for example, as 698967844 + 1876535761 = 26438^2 + 43319^2 .

It is not a de Polignac number, because 2575503605 - 2²⁸ = 2307068149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257550356 + ... + 257550365.

It is an arithmetic number, because the mean of its divisors is an integer number (772651083).

Almost surely, 2^2575503605 is an apocalyptic number.

It is an amenable number.

2575503605 is a deficient number, since it is larger than the sum of its proper divisors (515100727).

2575503605 is an equidigital number, since it uses as much as digits as its factorization.

2575503605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515100726.

The product of its (nonzero) digits is 157500, while the sum is 38.

The square root of 2575503605 is about 50749.4197503774. The cubic root of 2575503605 is about 1370.7367420991.

The spelling of 2575503605 in words is "two billion, five hundred seventy-five million, five hundred three thousand, six hundred five".