2456410261 has 2 divisors, whose sum is σ = 2456410262. Its totient is φ = 2456410260.

The previous prime is 2456410259. The next prime is 2456410273. The reversal of 2456410261 is 1620146542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2441348100 + 15062161 = 49410^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456410261 - 2¹ = 2456410259 is a prime.

Together with 2456410259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2456410211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228205130 + 1228205131.

It is an arithmetic number, because the mean of its divisors is an integer number (1228205131).

Almost surely, 2^2456410261 is an apocalyptic number.

It is an amenable number.

2456410261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456410261 is an equidigital number, since it uses as much as digits as its factorization.

2456410261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2456410261 is about 49562.1857972386. The cubic root of 2456410261 is about 1349.2744635481.

The spelling of 2456410261 in words is "two billion, four hundred fifty-six million, four hundred ten thousand, two hundred sixty-one".