2528135570 has 8 divisors (see below), whose sum is σ = 4550644044. Its totient is φ = 1011254224.

The previous prime is 2528135567. The next prime is 2528135579. The reversal of 2528135570 is 755318252.

It can be written as a sum of positive squares in 2 ways, for example, as 2509308649 + 18826921 = 50093^2 + 4339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2528135579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126406769 + ... + 126406788.

Almost surely, 2^2528135570 is an apocalyptic number.

2528135570 is a deficient number, since it is larger than the sum of its proper divisors (2022508474).

2528135570 is a wasteful number, since it uses less digits than its factorization.

2528135570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252813564.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 2528135570 is about 50280.5685130946. The cubic root of 2528135570 is about 1362.2812725227.

The spelling of 2528135570 in words is "two billion, five hundred twenty-eight million, one hundred thirty-five thousand, five hundred seventy".