1617248101 has 4 divisors (see below), whose sum is σ = 1848283552. Its totient is φ = 1386212652.

The previous prime is 1617248071. The next prime is 1617248119. The reversal of 1617248101 is 1018427161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1617248101 - 2⁵ = 1617248069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617248141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115517715 + ... + 115517728.

It is an arithmetic number, because the mean of its divisors is an integer number (462070888).

Almost surely, 2^1617248101 is an apocalyptic number.

It is an amenable number.

1617248101 is a deficient number, since it is larger than the sum of its proper divisors (231035451).

1617248101 is an equidigital number, since it uses as much as digits as its factorization.

1617248101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231035450.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1617248101 is about 40215.0233246233. The cubic root of 1617248101 is about 1173.7948956633.

The spelling of 1617248101 in words is "one billion, six hundred seventeen million, two hundred forty-eight thousand, one hundred one".