2590613261 has 2 divisors, whose sum is σ = 2590613262. Its totient is φ = 2590613260.

The previous prime is 2590613231. The next prime is 2590613293. The reversal of 2590613261 is 1623160952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2322276100 + 268337161 = 48190^2 + 16381^2 .

It is a cyclic number.

It is not a de Polignac number, because 2590613261 - 2¹⁰ = 2590612237 is a prime.

It is a super-2 number, since 2×2590613261² = 13422554136138108242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2590613231) 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 as a sum of consecutive naturals, namely, 1295306630 + 1295306631.

It is an arithmetic number, because the mean of its divisors is an integer number (1295306631).

Almost surely, 2^2590613261 is an apocalyptic number.

It is an amenable number.

2590613261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2590613261 is an equidigital number, since it uses as much as digits as its factorization.

2590613261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2590613261 is about 50898.0673601660. The cubic root of 2590613261 is about 1373.4120751594.

The spelling of 2590613261 in words is "two billion, five hundred ninety million, six hundred thirteen thousand, two hundred sixty-one".