61136683 has 4 divisors (see below), whose sum is σ = 61697680. Its totient is φ = 60575688.

The previous prime is 61136659. The next prime is 61136687. The reversal of 61136683 is 38663116.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61136683 - 2⁵ = 61136651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61136687) 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, 280335 + ... + 280552.

It is an arithmetic number, because the mean of its divisors is an integer number (15424420).

Almost surely, 2^61136683 is an apocalyptic number.

61136683 is a deficient number, since it is larger than the sum of its proper divisors (560997).

61136683 is a wasteful number, since it uses less digits than its factorization.

61136683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560996.

The product of its digits is 15552, while the sum is 34.

The square root of 61136683 is about 7818.9950121483. The cubic root of 61136683 is about 393.9435166009.

Adding to 61136683 its reverse (38663116), we get a palindrome (99799799).

The spelling of 61136683 in words is "sixty-one million, one hundred thirty-six thousand, six hundred eighty-three".