2590260921 has 6 divisors (see below), whose sum is σ = 3741488010. Its totient is φ = 1726840608.

The previous prime is 2590260917. The next prime is 2590260923. The reversal of 2590260921 is 1290620952.

It is a happy number.

2590260921 is a `hidden beast` number, since 2 + 590 + 2 + 60 + 9 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2338689600 + 251571321 = 48360^2 + 15861^2 .

It is not a de Polignac number, because 2590260921 - 2² = 2590260917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2590260923) 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 5 ways as a sum of consecutive naturals, for example, 143903376 + ... + 143903393.

It is an arithmetic number, because the mean of its divisors is an integer number (623581335).

Almost surely, 2^2590260921 is an apocalyptic number.

It is an amenable number.

2590260921 is a deficient number, since it is larger than the sum of its proper divisors (1151227089).

2590260921 is a wasteful number, since it uses less digits than its factorization.

2590260921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287806775 (or 287806772 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 2590260921 is about 50894.6060108534. The cubic root of 2590260921 is about 1373.3498080561.

The spelling of 2590260921 in words is "two billion, five hundred ninety million, two hundred sixty thousand, nine hundred twenty-one".