2487261121 has 2 divisors, whose sum is σ = 2487261122. Its totient is φ = 2487261120.

The previous prime is 2487261097. The next prime is 2487261131. The reversal of 2487261121 is 1211627842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2149620496 + 337640625 = 46364^2 + 18375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2487261121 - 2⁹ = 2487260609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2487261131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243630560 + 1243630561.

It is an arithmetic number, because the mean of its divisors is an integer number (1243630561).

Almost surely, 2^2487261121 is an apocalyptic number.

It is an amenable number.

2487261121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487261121 is an equidigital number, since it uses as much as digits as its factorization.

2487261121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 2487261121 is about 49872.4485161898. The cubic root of 2487261121 is about 1354.8996391765.

Adding to 2487261121 its reverse (1211627842), we get a palindrome (3698888963).

The spelling of 2487261121 in words is "two billion, four hundred eighty-seven million, two hundred sixty-one thousand, one hundred twenty-one".