61236313 has 4 divisors (see below), whose sum is σ = 63347940. Its totient is φ = 59124688.

The previous prime is 61236299. The next prime is 61236317. The reversal of 61236313 is 31363216.

61236313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 51451929 = 3128^2 + 7173^2 .

It is a cyclic number.

It is not a de Polignac number, because 61236313 - 2²⁵ = 27681881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61236317) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1055770 + ... + 1055827.

It is an arithmetic number, because the mean of its divisors is an integer number (15836985).

Almost surely, 2^61236313 is an apocalyptic number.

It is an amenable number.

61236313 is a deficient number, since it is larger than the sum of its proper divisors (2111627).

61236313 is a wasteful number, since it uses less digits than its factorization.

61236313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111626.

The product of its digits is 1944, while the sum is 25.

The square root of 61236313 is about 7825.3634420390. The cubic root of 61236313 is about 394.1573941494.

Adding to 61236313 its reverse (31363216), we get a palindrome (92599529).

The spelling of 61236313 in words is "sixty-one million, two hundred thirty-six thousand, three hundred thirteen".