2501075989 has 8 divisors (see below), whose sum is σ = 2698165080. Its totient is φ = 2309538816.

The previous prime is 2501075977. The next prime is 2501076047. The reversal of 2501075989 is 9895701052.

It can be written as a sum of positive squares in 4 ways, for example, as 1612022500 + 889053489 = 40150^2 + 29817^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2501075989 - 2¹⁵ = 2501043221 is a prime.

It is a super-2 number, since 2×2501075989² = 12510762205504656242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501075909) 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 7 ways as a sum of consecutive naturals, for example, 1387044 + ... + 1388845.

It is an arithmetic number, because the mean of its divisors is an integer number (337270635).

Almost surely, 2^2501075989 is an apocalyptic number.

It is an amenable number.

2501075989 is a deficient number, since it is larger than the sum of its proper divisors (197089091).

2501075989 is a wasteful number, since it uses less digits than its factorization.

2501075989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775959.

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

The square root of 2501075989 is about 50010.7587324968. The cubic root of 2501075989 is about 1357.4034926028.

The spelling of 2501075989 in words is "two billion, five hundred one million, seventy-five thousand, nine hundred eighty-nine".