61790041 has 4 divisors (see below), whose sum is σ = 61807284. Its totient is φ = 61772800.

The previous prime is 61790021. The next prime is 61790063. The reversal of 61790041 is 14009716.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11323225 + 50466816 = 3365^2 + 7104^2 .

It is a cyclic number.

It is not a de Polignac number, because 61790041 - 2¹¹ = 61787993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61789991 and 61790009.

It is not an unprimeable number, because it can be changed into a prime (61790021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000 + ... + 11161.

It is an arithmetic number, because the mean of its divisors is an integer number (15451821).

Almost surely, 2^61790041 is an apocalyptic number.

It is an amenable number.

61790041 is a deficient number, since it is larger than the sum of its proper divisors (17243).

61790041 is a wasteful number, since it uses less digits than its factorization.

61790041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 61790041 is about 7860.6641576905. The cubic root of 61790041 is about 395.3418842099.

Adding to 61790041 its reverse (14009716), we get a palindrome (75799757).

The spelling of 61790041 in words is "sixty-one million, seven hundred ninety thousand, forty-one".