2575481231 has 4 divisors (see below), whose sum is σ = 2630278752. Its totient is φ = 2520683712.

The previous prime is 2575481203. The next prime is 2575481239. The reversal of 2575481231 is 1321845752.

2575481231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2575481231 - 2²⁶ = 2508372367 is a prime.

It is a super-2 number, since 2×2575481231² = 13266207142466550722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575481239) 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, 27398690 + ... + 27398783.

It is an arithmetic number, because the mean of its divisors is an integer number (657569688).

Almost surely, 2^2575481231 is an apocalyptic number.

2575481231 is a deficient number, since it is larger than the sum of its proper divisors (54797521).

2575481231 is an equidigital number, since it uses as much as digits as its factorization.

2575481231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54797520.

The product of its digits is 67200, while the sum is 38.

The square root of 2575481231 is about 50749.1993138808. The cubic root of 2575481231 is about 1370.7327727845.

The spelling of 2575481231 in words is "two billion, five hundred seventy-five million, four hundred eighty-one thousand, two hundred thirty-one".