2512528789 has 4 divisors (see below), whose sum is σ = 2513462400. Its totient is φ = 2511595180.

The previous prime is 2512528769. The next prime is 2512528841. The reversal of 2512528789 is 9878252152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2512528789 - 2⁷ = 2512528661 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512528729) 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, 462757 + ... + 468154.

It is an arithmetic number, because the mean of its divisors is an integer number (628365600).

Almost surely, 2^2512528789 is an apocalyptic number.

It is an amenable number.

2512528789 is a deficient number, since it is larger than the sum of its proper divisors (933611).

2512528789 is an equidigital number, since it uses as much as digits as its factorization.

2512528789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933610.

The product of its digits is 806400, while the sum is 49.

The square root of 2512528789 is about 50125.1313115487. The cubic root of 2512528789 is about 1359.4722557688.

The spelling of 2512528789 in words is "two billion, five hundred twelve million, five hundred twenty-eight thousand, seven hundred eighty-nine".