613682042 has 4 divisors (see below), whose sum is σ = 920523066. Its totient is φ = 306841020.

The previous prime is 613682029. The next prime is 613682057. The reversal of 613682042 is 240286316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 393189241 + 220492801 = 19829^2 + 14849^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153420509 + ... + 153420512.

Almost surely, 2^613682042 is an apocalyptic number.

613682042 is a deficient number, since it is larger than the sum of its proper divisors (306841024).

613682042 is a wasteful number, since it uses less digits than its factorization.

613682042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306841023.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 613682042 is about 24772.6066856114. The cubic root of 613682042 is about 849.7955872932.

The spelling of 613682042 in words is "six hundred thirteen million, six hundred eighty-two thousand, forty-two".