1617080825 has 24 divisors (see below), whose sum is σ = 2062784640. Its totient is φ = 1256904000.

The previous prime is 1617080797. The next prime is 1617080831. The reversal of 1617080825 is 5280807161.

It is not a de Polignac number, because 1617080825 - 2¹² = 1617076729 is a prime.

It is a super-2 number, since 2×1617080825² = 5229900789165361250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158375 + ... + 168275.

It is an arithmetic number, because the mean of its divisors is an integer number (85949360).

Almost surely, 2^1617080825 is an apocalyptic number.

It is an amenable number.

1617080825 is a deficient number, since it is larger than the sum of its proper divisors (445703815).

1617080825 is a wasteful number, since it uses less digits than its factorization.

1617080825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097 (or 10092 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 1617080825 is about 40212.9435008182. The cubic root of 1617080825 is about 1173.7544247579.

Adding to 1617080825 its reverse (5280807161), we get a palindrome (6897887986).

The spelling of 1617080825 in words is "one billion, six hundred seventeen million, eighty thousand, eight hundred twenty-five".