61245011 has 2 divisors, whose sum is σ = 61245012. Its totient is φ = 61245010.

The previous prime is 61245007. The next prime is 61245047. The reversal of 61245011 is 11054216.

61245011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61245011 - 2² = 61245007 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61245001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30622505 + 30622506.

It is an arithmetic number, because the mean of its divisors is an integer number (30622506).

Almost surely, 2^61245011 is an apocalyptic number.

61245011 is a deficient number, since it is larger than the sum of its proper divisors (1).

61245011 is an equidigital number, since it uses as much as digits as its factorization.

61245011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 61245011 is about 7825.9191792402. The cubic root of 61245011 is about 394.1760552919.

Adding to 61245011 its reverse (11054216), we get a palindrome (72299227).

The spelling of 61245011 in words is "sixty-one million, two hundred forty-five thousand, eleven".