2571324536 has 48 divisors (see below), whose sum is σ = 5313514920. Its totient is φ = 1165665600.

The previous prime is 2571324533. The next prime is 2571324541. The reversal of 2571324536 is 6354231752.

It is a super-2 number, since 2×2571324536² = 13223419738871230592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2571324536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571324533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380951 + ... + 387641.

Almost surely, 2^2571324536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2571324536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2656757460).

2571324536 is an abundant number, since it is smaller than the sum of its proper divisors (2742190384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2571324536 is a wasteful number, since it uses less digits than its factorization.

2571324536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116 (or 7101 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 2571324536 is about 50708.2294701757. The cubic root of 2571324536 is about 1369.9949448372.

The spelling of 2571324536 in words is "two billion, five hundred seventy-one million, three hundred twenty-four thousand, five hundred thirty-six".