2090775625 has 45 divisors (see below), whose sum is σ = 2746162353. Its totient is φ = 1591230000.

The previous prime is 2090775623. The next prime is 2090775653. The reversal of 2090775625 is 5265770902.

The square root of 2090775625 is 45725.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 163916809 + 1926858816 = 12803^2 + 43896^2 .

It is not a de Polignac number, because 2090775625 - 2¹ = 2090775623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090775623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 35436846 + ... + 35436904.

Almost surely, 2^2090775625 is an apocalyptic number.

2090775625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2090775625 is the 45725-th square number.

2090775625 is the 22863-rd centered octagonal number.

It is an amenable number.

2090775625 is a deficient number, since it is larger than the sum of its proper divisors (655386728).

2090775625 is an frugal number, since it uses more digits than its factorization.

2090775625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The cubic root of 2090775625 is about 1278.7014061730.

The spelling of 2090775625 in words is "two billion, ninety million, seven hundred seventy-five thousand, six hundred twenty-five".