1617286325 has 6 divisors (see below), whose sum is σ = 2005435074. Its totient is φ = 1293829040.

The previous prime is 1617286303. The next prime is 1617286357. The reversal of 1617286325 is 5236827161.

It can be written as a sum of positive squares in 3 ways, for example, as 556676836 + 1060609489 = 23594^2 + 32567^2 .

It is not a de Polignac number, because 1617286325 - 2¹⁶ = 1617220789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32345702 + ... + 32345751.

It is an arithmetic number, because the mean of its divisors is an integer number (334239179).

Almost surely, 2^1617286325 is an apocalyptic number.

It is an amenable number.

1617286325 is a deficient number, since it is larger than the sum of its proper divisors (388148749).

1617286325 is an equidigital number, since it uses as much as digits as its factorization.

1617286325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64691463 (or 64691458 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1617286325 is about 40215.4985670948. The cubic root of 1617286325 is about 1173.8041432205.

The spelling of 1617286325 in words is "one billion, six hundred seventeen million, two hundred eighty-six thousand, three hundred twenty-five".