61794641 has 2 divisors, whose sum is σ = 61794642. Its totient is φ = 61794640.

The previous prime is 61794619. The next prime is 61794671. The reversal of 61794641 is 14649716.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 16851025 = 6704^2 + 4105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61794641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61794595 and 61794604.

It is not a weakly prime, because it can be changed into another prime (61794671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30897320 + 30897321.

It is an arithmetic number, because the mean of its divisors is an integer number (30897321).

Almost surely, 2^61794641 is an apocalyptic number.

It is an amenable number.

61794641 is a deficient number, since it is larger than the sum of its proper divisors (1).

61794641 is an equidigital number, since it uses as much as digits as its factorization.

61794641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 61794641 is about 7860.9567483863. The cubic root of 61794641 is about 395.3516944614.

The spelling of 61794641 in words is "sixty-one million, seven hundred ninety-four thousand, six hundred forty-one".