61359841 has 2 divisors, whose sum is σ = 61359842. Its totient is φ = 61359840.

The previous prime is 61359829. The next prime is 61359847. The reversal of 61359841 is 14895316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60840000 + 519841 = 7800^2 + 721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61359841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61359841.

It is not a weakly prime, because it can be changed into another prime (61359847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30679920 + 30679921.

It is an arithmetic number, because the mean of its divisors is an integer number (30679921).

Almost surely, 2^61359841 is an apocalyptic number.

It is an amenable number.

61359841 is a deficient number, since it is larger than the sum of its proper divisors (1).

61359841 is an equidigital number, since it uses as much as digits as its factorization.

61359841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 61359841 is about 7833.2522619918. The cubic root of 61359841 is about 394.4222520933.

The spelling of 61359841 in words is "sixty-one million, three hundred fifty-nine thousand, eight hundred forty-one".