61752377 has 2 divisors, whose sum is σ = 61752378. Its totient is φ = 61752376.

The previous prime is 61752373. The next prime is 61752433. The reversal of 61752377 is 77325716.

61752377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 21353641 = 6356^2 + 4621^2 .

It is a cyclic number.

It is not a de Polignac number, because 61752377 - 2² = 61752373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61752377.

It is not a weakly prime, because it can be changed into another prime (61752373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30876188 + 30876189.

It is an arithmetic number, because the mean of its divisors is an integer number (30876189).

Almost surely, 2^61752377 is an apocalyptic number.

It is an amenable number.

61752377 is a deficient number, since it is larger than the sum of its proper divisors (1).

61752377 is an equidigital number, since it uses as much as digits as its factorization.

61752377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 38.

The square root of 61752377 is about 7858.2680661835. The cubic root of 61752377 is about 395.2615412564.

The spelling of 61752377 in words is "sixty-one million, seven hundred fifty-two thousand, three hundred seventy-seven".