2571542425 has 12 divisors (see below), whose sum is σ = 3189687340. Its totient is φ = 2056605120.

The previous prime is 2571542399. The next prime is 2571542429. The reversal of 2571542425 is 5242451752.

It can be written as a sum of positive squares in 6 ways, for example, as 429981696 + 2141560729 = 20736^2 + 46277^2 .

It is not a de Polignac number, because 2571542425 - 2²¹ = 2569445273 is a prime.

It is a super-2 number, since 2×2571542425² = 13225660887149761250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571542429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78859 + ... + 106591.

Almost surely, 2^2571542425 is an apocalyptic number.

2571542425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2571542425 is a deficient number, since it is larger than the sum of its proper divisors (618144915).

2571542425 is a wasteful number, since it uses less digits than its factorization.

2571542425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31452 (or 31447 counting only the distinct ones).

The product of its digits is 112000, while the sum is 37.

The square root of 2571542425 is about 50710.3778826386. The cubic root of 2571542425 is about 1370.0336406395.

The spelling of 2571542425 in words is "two billion, five hundred seventy-one million, five hundred forty-two thousand, four hundred twenty-five".