2575010989 has 4 divisors (see below), whose sum is σ = 2623596156. Its totient is φ = 2526425824.

The previous prime is 2575010987. The next prime is 2575010993. The reversal of 2575010989 is 9890105752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1965414889 + 609596100 = 44333^2 + 24690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575010989 - 2¹ = 2575010987 is a prime.

It is a Duffinian number.

2575010989 is a modest number, since divided by 10989 gives 2575 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575010981) 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, 24292504 + ... + 24292609.

It is an arithmetic number, because the mean of its divisors is an integer number (655899039).

Almost surely, 2^2575010989 is an apocalyptic number.

It is an amenable number.

2575010989 is a deficient number, since it is larger than the sum of its proper divisors (48585167).

2575010989 is an equidigital number, since it uses as much as digits as its factorization.

2575010989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48585166.

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 2575010989 is about 50744.5661031800. The cubic root of 2575010989 is about 1370.6493430230.

The spelling of 2575010989 in words is "two billion, five hundred seventy-five million, ten thousand, nine hundred eighty-nine".