61771483 has 2 divisors, whose sum is σ = 61771484. Its totient is φ = 61771482.

The previous prime is 61771481. The next prime is 61771487. The reversal of 61771483 is 38417716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61771483 - 2¹ = 61771481 is a prime.

It is a super-2 number, since 2×61771483² = 7631432224038578, which contains 22 as substring.

Together with 61771481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61771481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30885741 + 30885742.

It is an arithmetic number, because the mean of its divisors is an integer number (30885742).

Almost surely, 2^61771483 is an apocalyptic number.

61771483 is a deficient number, since it is larger than the sum of its proper divisors (1).

61771483 is an equidigital number, since it uses as much as digits as its factorization.

61771483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 61771483 is about 7859.4836344381. The cubic root of 61771483 is about 395.3023012976.

The spelling of 61771483 in words is "sixty-one million, seven hundred seventy-one thousand, four hundred eighty-three".