1285453017 has 8 divisors (see below), whose sum is σ = 1904374880. Its totient is φ = 856968660.

The previous prime is 1285453009. The next prime is 1285453019. The reversal of 1285453017 is 7103545821.

It is not a de Polignac number, because 1285453017 - 2³ = 1285453009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1285453019) 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 in 7 ways as a sum of consecutive naturals, for example, 23804659 + ... + 23804712.

It is an arithmetic number, because the mean of its divisors is an integer number (238046860).

Almost surely, 2^1285453017 is an apocalyptic number.

It is an amenable number.

1285453017 is a deficient number, since it is larger than the sum of its proper divisors (618921863).

1285453017 is an equidigital number, since it uses as much as digits as its factorization.

1285453017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47609380 (or 47609374 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1285453017 is about 35853.2148767722. The cubic root of 1285453017 is about 1087.3067128538.

Adding to 1285453017 its reverse (7103545821), we get a palindrome (8388998838).

The spelling of 1285453017 in words is "one billion, two hundred eighty-five million, four hundred fifty-three thousand, seventeen".