1617241049 has 2 divisors, whose sum is σ = 1617241050. Its totient is φ = 1617241048.

The previous prime is 1617241033. The next prime is 1617241079. The reversal of 1617241049 is 9401427161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214034649 + 403206400 = 34843^2 + 20080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1617241049 - 2⁴ = 1617241033 is a prime.

It is a super-2 number, since 2×1617241049² = 5230937221141240802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1617241019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808620524 + 808620525.

It is an arithmetic number, because the mean of its divisors is an integer number (808620525).

Almost surely, 2^1617241049 is an apocalyptic number.

It is an amenable number.

1617241049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617241049 is an equidigital number, since it uses as much as digits as its factorization.

1617241049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1617241049 is about 40214.9356458518. The cubic root of 1617241049 is about 1173.7931895525.

The spelling of 1617241049 in words is "one billion, six hundred seventeen million, two hundred forty-one thousand, forty-nine".