1613709241 has 15 divisors (see below), whose sum is σ = 1726988601. Its totient is φ = 1507858656.

The previous prime is 1613709239. The next prime is 1613709257. The reversal of 1613709241 is 1429073161.

The square root of 1613709241 is 40171.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 500819641 + 1112889600 = 22379^2 + 33360^2 .

It is not a de Polignac number, because 1613709241 - 2¹ = 1613709239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1613709197 and 1613709206.

It is not an unprimeable number, because it can be changed into a prime (1613700241) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11609350 + ... + 11609488.

Almost surely, 2^1613709241 is an apocalyptic number.

1613709241 is the 40171-st square number.

1613709241 is the 20086-th centered octagonal number.

It is an amenable number.

1613709241 is a deficient number, since it is larger than the sum of its proper divisors (113279360).

1613709241 is an frugal number, since it uses more digits than its factorization.

1613709241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The cubic root of 1613709241 is about 1172.9381049746.

The spelling of 1613709241 in words is "one billion, six hundred thirteen million, seven hundred nine thousand, two hundred forty-one".