61841959 has 2 divisors, whose sum is σ = 61841960. Its totient is φ = 61841958.

The previous prime is 61841957. The next prime is 61841999. The reversal of 61841959 is 95914816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61841959 - 2¹ = 61841957 is a prime.

Together with 61841957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61841957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30920979 + 30920980.

It is an arithmetic number, because the mean of its divisors is an integer number (30920980).

Almost surely, 2^61841959 is an apocalyptic number.

61841959 is a deficient number, since it is larger than the sum of its proper divisors (1).

61841959 is an equidigital number, since it uses as much as digits as its factorization.

61841959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The square root of 61841959 is about 7863.9658569961. The cubic root of 61841959 is about 395.4525795776.

The spelling of 61841959 in words is "sixty-one million, eight hundred forty-one thousand, nine hundred fifty-nine".