61013763 has 8 divisors (see below), whose sum is σ = 90390800. Its totient is φ = 40675824.

The previous prime is 61013747. The next prime is 61013791. The reversal of 61013763 is 36731016.

It is not a de Polignac number, because 61013763 - 2⁴ = 61013747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2259769 = 61013763 / (6 + 1 + 0 + 1 + 3 + 7 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61013723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129858 + ... + 1129911.

It is an arithmetic number, because the mean of its divisors is an integer number (11298850).

Almost surely, 2^61013763 is an apocalyptic number.

61013763 is a deficient number, since it is larger than the sum of its proper divisors (29377037).

61013763 is a wasteful number, since it uses less digits than its factorization.

61013763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259778 (or 2259772 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 61013763 is about 7811.1307120032. The cubic root of 61013763 is about 393.6793215543.

Adding to 61013763 its reverse (36731016), we get a palindrome (97744779).

It can be divided in two parts, 61013 and 763, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 61013763 in words is "sixty-one million, thirteen thousand, seven hundred sixty-three".