61242611 has 2 divisors, whose sum is σ = 61242612. Its totient is φ = 61242610.

The previous prime is 61242589. The next prime is 61242637. The reversal of 61242611 is 11624216.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61242611 is a prime.

It is not a weakly prime, because it can be changed into another prime (61242641) 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 as a sum of consecutive naturals, namely, 30621305 + 30621306.

It is an arithmetic number, because the mean of its divisors is an integer number (30621306).

Almost surely, 2^61242611 is an apocalyptic number.

61242611 is a deficient number, since it is larger than the sum of its proper divisors (1).

61242611 is an equidigital number, since it uses as much as digits as its factorization.

61242611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 61242611 is about 7825.7658411174. The cubic root of 61242611 is about 394.1709063834.

Adding to 61242611 its reverse (11624216), we get a palindrome (72866827).

The spelling of 61242611 in words is "sixty-one million, two hundred forty-two thousand, six hundred eleven".