2571525530 has 32 divisors (see below), whose sum is σ = 5432973696. Its totient is φ = 857836224.

The previous prime is 2571525529. The next prime is 2571525533. The reversal of 2571525530 is 355251752.

It is a happy number.

2571525530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2571525530² = 13225487102883561800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (2571525533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493844 + ... + 499023.

It is an arithmetic number, because the mean of its divisors is an integer number (169780428).

Almost surely, 2^2571525530 is an apocalyptic number.

2571525530 is an abundant number, since it is smaller than the sum of its proper divisors (2861448166).

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

2571525530 is a wasteful number, since it uses less digits than its factorization.

2571525530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992918.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 2571525530 is about 50710.2112991062. The cubic root of 2571525530 is about 1370.0306402652.

The spelling of 2571525530 in words is "two billion, five hundred seventy-one million, five hundred twenty-five thousand, five hundred thirty".