1461588857 has 2 divisors, whose sum is σ = 1461588858. Its totient is φ = 1461588856.

The previous prime is 1461588847. The next prime is 1461588859. The reversal of 1461588857 is 7588851641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238265721 + 223323136 = 35189^2 + 14944^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461588857 - 2²² = 1457394553 is a prime.

Together with 1461588859, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1461588799 and 1461588808.

It is not a weakly prime, because it can be changed into another prime (1461588859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730794428 + 730794429.

It is an arithmetic number, because the mean of its divisors is an integer number (730794429).

Almost surely, 2^1461588857 is an apocalyptic number.

It is an amenable number.

1461588857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461588857 is an equidigital number, since it uses as much as digits as its factorization.

1461588857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2150400, while the sum is 53.

The square root of 1461588857 is about 38230.7318397124. The cubic root of 1461588857 is about 1134.8585686748.

The spelling of 1461588857 in words is "one billion, four hundred sixty-one million, five hundred eighty-eight thousand, eight hundred fifty-seven".