1613580242 has 16 divisors (see below), whose sum is σ = 2528631000. Its totient is φ = 771254400.

The previous prime is 1613580193. The next prime is 1613580253. The reversal of 1613580242 is 2420853161.

It can be written as a sum of positive squares in 4 ways, for example, as 1610336641 + 3243601 = 40129^2 + 1801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1613580199 and 1613580208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131867 + ... + 143582.

Almost surely, 2^1613580242 is an apocalyptic number.

1613580242 is a deficient number, since it is larger than the sum of its proper divisors (915050758).

1613580242 is a wasteful number, since it uses less digits than its factorization.

1613580242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275581.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1613580242 is about 40169.3943444509. The cubic root of 1613580242 is about 1172.9068494732.

The spelling of 1613580242 in words is "one billion, six hundred thirteen million, five hundred eighty thousand, two hundred forty-two".