61241783 has 2 divisors, whose sum is σ = 61241784. Its totient is φ = 61241782.

The previous prime is 61241779. The next prime is 61241839. The reversal of 61241783 is 38714216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61241783 - 2² = 61241779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61241773) 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, 30620891 + 30620892.

It is an arithmetic number, because the mean of its divisors is an integer number (30620892).

Almost surely, 2^61241783 is an apocalyptic number.

61241783 is a deficient number, since it is larger than the sum of its proper divisors (1).

61241783 is an equidigital number, since it uses as much as digits as its factorization.

61241783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 61241783 is about 7825.7129387679. The cubic root of 61241783 is about 394.1691299787.

Adding to 61241783 its reverse (38714216), we get a palindrome (99955999).

The spelling of 61241783 in words is "sixty-one million, two hundred forty-one thousand, seven hundred eighty-three".