1617241061 has 4 divisors (see below), whose sum is σ = 1624008000. Its totient is φ = 1610474124.

The previous prime is 1617241049. The next prime is 1617241079. The reversal of 1617241061 is 1601427161.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1601427161 = 157 ⋅10200173.

It is a cyclic number.

It is not a de Polignac number, because 1617241061 - 2¹⁴ = 1617224677 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 (1617241261) 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, 3383111 + ... + 3383588.

It is an arithmetic number, because the mean of its divisors is an integer number (406002000).

Almost surely, 2^1617241061 is an apocalyptic number.

It is an amenable number.

1617241061 is a deficient number, since it is larger than the sum of its proper divisors (6766939).

1617241061 is an equidigital number, since it uses as much as digits as its factorization.

1617241061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766938.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1617241061 is about 40214.9357950501. The cubic root of 1617241061 is about 1173.7931924557.

The spelling of 1617241061 in words is "one billion, six hundred seventeen million, two hundred forty-one thousand, sixty-one".