2458521617 has 2 divisors, whose sum is σ = 2458521618. Its totient is φ = 2458521616.

The previous prime is 2458521599. The next prime is 2458521649. The reversal of 2458521617 is 7161258542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2441249281 + 17272336 = 49409^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 2458521617 - 2⁶ = 2458521553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2458521697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229260808 + 1229260809.

It is an arithmetic number, because the mean of its divisors is an integer number (1229260809).

Almost surely, 2^2458521617 is an apocalyptic number.

It is an amenable number.

2458521617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2458521617 is an equidigital number, since it uses as much as digits as its factorization.

2458521617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 2458521617 is about 49583.4812916560. The cubic root of 2458521617 is about 1349.6609330453.

The spelling of 2458521617 in words is "two billion, four hundred fifty-eight million, five hundred twenty-one thousand, six hundred seventeen".