61107263 has 12 divisors (see below), whose sum is σ = 73536840. Its totient is φ = 50570352.

The previous prime is 61107259. The next prime is 61107289. The reversal of 61107263 is 36270116.

It is not a de Polignac number, because 61107263 - 2² = 61107259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61107223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20081 + ... + 22922.

It is an arithmetic number, because the mean of its divisors is an integer number (6128070).

Almost surely, 2^61107263 is an apocalyptic number.

61107263 is a deficient number, since it is larger than the sum of its proper divisors (12429577).

61107263 is a wasteful number, since it uses less digits than its factorization.

61107263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43046 (or 43039 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 61107263 is about 7817.1134698174. The cubic root of 61107263 is about 393.8803157136.

Adding to 61107263 its reverse (36270116), we get a palindrome (97377379).

The spelling of 61107263 in words is "sixty-one million, one hundred seven thousand, two hundred sixty-three".