61582723 has 2 divisors, whose sum is σ = 61582724. Its totient is φ = 61582722.

The previous prime is 61582691. The next prime is 61582769. The reversal of 61582723 is 32728516.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61582723 - 2⁵ = 61582691 is a prime.

It is not a weakly prime, because it can be changed into another prime (61580723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30791361 + 30791362.

It is an arithmetic number, because the mean of its divisors is an integer number (30791362).

Almost surely, 2^61582723 is an apocalyptic number.

61582723 is a deficient number, since it is larger than the sum of its proper divisors (1).

61582723 is an equidigital number, since it uses as much as digits as its factorization.

61582723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 61582723 is about 7847.4660241380. The cubic root of 61582723 is about 394.8992383054.

It can be divided in two parts, 615 and 82723, that added together give a palindrome (83338).

The spelling of 61582723 in words is "sixty-one million, five hundred eighty-two thousand, seven hundred twenty-three".