2488291261 has 4 divisors (see below), whose sum is σ = 2498205024. Its totient is φ = 2478377500.

The previous prime is 2488291237. The next prime is 2488291283. The reversal of 2488291261 is 1621928842.

2488291261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1621928842 = 2 ⋅810964421.

It is a cyclic number.

It is not a de Polignac number, because 2488291261 - 2¹⁷ = 2488160189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2488291231) 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, 4956505 + ... + 4957006.

It is an arithmetic number, because the mean of its divisors is an integer number (624551256).

Almost surely, 2^2488291261 is an apocalyptic number.

It is an amenable number.

2488291261 is a deficient number, since it is larger than the sum of its proper divisors (9913763).

2488291261 is an equidigital number, since it uses as much as digits as its factorization.

2488291261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913762.

The product of its digits is 110592, while the sum is 43.

The square root of 2488291261 is about 49882.7751934473. The cubic root of 2488291261 is about 1355.0866646638.

The spelling of 2488291261 in words is "two billion, four hundred eighty-eight million, two hundred ninety-one thousand, two hundred sixty-one".