2421252461 has 2 divisors, whose sum is σ = 2421252462. Its totient is φ = 2421252460.

The previous prime is 2421252419. The next prime is 2421252473. The reversal of 2421252461 is 1642521242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1551887236 + 869365225 = 39394^2 + 29485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421252461 - 2⁶ = 2421252397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421252401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210626230 + 1210626231.

It is an arithmetic number, because the mean of its divisors is an integer number (1210626231).

Almost surely, 2^2421252461 is an apocalyptic number.

It is an amenable number.

2421252461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421252461 is an equidigital number, since it uses as much as digits as its factorization.

2421252461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 29.

The square root of 2421252461 is about 49206.2238034987. The cubic root of 2421252461 is about 1342.8062636325.

The spelling of 2421252461 in words is "two billion, four hundred twenty-one million, two hundred fifty-two thousand, four hundred sixty-one".