61141841 has 2 divisors, whose sum is σ = 61141842. Its totient is φ = 61141840.

The previous prime is 61141837. The next prime is 61141849. The reversal of 61141841 is 14814116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45900625 + 15241216 = 6775^2 + 3904^2 .

It is a cyclic number.

It is not a de Polignac number, because 61141841 - 2² = 61141837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61141841.

It is not a weakly prime, because it can be changed into another prime (61141849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30570920 + 30570921.

It is an arithmetic number, because the mean of its divisors is an integer number (30570921).

Almost surely, 2^61141841 is an apocalyptic number.

It is an amenable number.

61141841 is a deficient number, since it is larger than the sum of its proper divisors (1).

61141841 is an equidigital number, since it uses as much as digits as its factorization.

61141841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 26.

The square root of 61141841 is about 7819.3248429772. The cubic root of 61141841 is about 393.9545950752.

Adding to 61141841 its reverse (14814116), we get a palindrome (75955957).

The spelling of 61141841 in words is "sixty-one million, one hundred forty-one thousand, eight hundred forty-one".