61882573 has 2 divisors, whose sum is σ = 61882574. Its totient is φ = 61882572.

The previous prime is 61882553. The next prime is 61882651. The reversal of 61882573 is 37528816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46539684 + 15342889 = 6822^2 + 3917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61882573 is a prime.

It is a super-2 number, since 2×61882573² = 7658905682200658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61882523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30941286 + 30941287.

It is an arithmetic number, because the mean of its divisors is an integer number (30941287).

Almost surely, 2^61882573 is an apocalyptic number.

It is an amenable number.

61882573 is a deficient number, since it is larger than the sum of its proper divisors (1).

61882573 is an equidigital number, since it uses as much as digits as its factorization.

61882573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 61882573 is about 7866.5477180273. The cubic root of 61882573 is about 395.5391302878.

The spelling of 61882573 in words is "sixty-one million, eight hundred eighty-two thousand, five hundred seventy-three".