61941377 has 2 divisors, whose sum is σ = 61941378. Its totient is φ = 61941376.

The previous prime is 61941359. The next prime is 61941401. The reversal of 61941377 is 77314916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51854401 + 10086976 = 7201^2 + 3176^2 .

It is a cyclic number.

It is not a de Polignac number, because 61941377 - 2¹⁰ = 61940353 is a prime.

It is a super-2 number, since 2×61941377² = 7673468369312258, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61941377.

It is not a weakly prime, because it can be changed into another prime (61941307) 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, 30970688 + 30970689.

It is an arithmetic number, because the mean of its divisors is an integer number (30970689).

Almost surely, 2^61941377 is an apocalyptic number.

It is an amenable number.

61941377 is a deficient number, since it is larger than the sum of its proper divisors (1).

61941377 is an equidigital number, since it uses as much as digits as its factorization.

61941377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 61941377 is about 7870.2844294218. The cubic root of 61941377 is about 395.6643778246.

The spelling of 61941377 in words is "sixty-one million, nine hundred forty-one thousand, three hundred seventy-seven".