1017245149 has 2 divisors, whose sum is σ = 1017245150. Its totient is φ = 1017245148.

The previous prime is 1017245087. The next prime is 1017245179. The reversal of 1017245149 is 9415427101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1016461924 + 783225 = 31882^2 + 885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1017245149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1017245179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508622574 + 508622575.

It is an arithmetic number, because the mean of its divisors is an integer number (508622575).

Almost surely, 2^1017245149 is an apocalyptic number.

It is an amenable number.

1017245149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017245149 is an equidigital number, since it uses as much as digits as its factorization.

1017245149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1017245149 is about 31894.2808196078. The cubic root of 1017245149 is about 1005.7156520804.

The spelling of 1017245149 in words is "one billion, seventeen million, two hundred forty-five thousand, one hundred forty-nine".