2456287121 has 2 divisors, whose sum is σ = 2456287122. Its totient is φ = 2456287120.

The previous prime is 2456287091. The next prime is 2456287123. The reversal of 2456287121 is 1217826542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2402470225 + 53816896 = 49015^2 + 7336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2456287121 is a prime.

Together with 2456287123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2456287123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228143560 + 1228143561.

It is an arithmetic number, because the mean of its divisors is an integer number (1228143561).

Almost surely, 2^2456287121 is an apocalyptic number.

It is an amenable number.

2456287121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456287121 is an equidigital number, since it uses as much as digits as its factorization.

2456287121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 2456287121 is about 49560.9435039326. The cubic root of 2456287121 is about 1349.2519167669.

The spelling of 2456287121 in words is "two billion, four hundred fifty-six million, two hundred eighty-seven thousand, one hundred twenty-one".