1617125497 has 8 divisors (see below), whose sum is σ = 1763565440. Its totient is φ = 1473834960.

The previous prime is 1617125491. The next prime is 1617125501. The reversal of 1617125497 is 7945217161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1617125497 - 2⁷ = 1617125369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1617125491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786279 + ... + 788332.

It is an arithmetic number, because the mean of its divisors is an integer number (220445680).

Almost surely, 2^1617125497 is an apocalyptic number.

It is an amenable number.

1617125497 is a deficient number, since it is larger than the sum of its proper divisors (146439943).

1617125497 is a wasteful number, since it uses less digits than its factorization.

1617125497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574703.

The product of its digits is 105840, while the sum is 43.

The square root of 1617125497 is about 40213.4989400326. The cubic root of 1617125497 is about 1173.7652330148.

The spelling of 1617125497 in words is "one billion, six hundred seventeen million, one hundred twenty-five thousand, four hundred ninety-seven".