60518261 has 2 divisors, whose sum is σ = 60518262. Its totient is φ = 60518260.

The previous prime is 60518257. The next prime is 60518279. The reversal of 60518261 is 16281506.

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., 42328036 + 18190225 = 6506^2 + 4265^2 .

It is a cyclic number.

It is not a de Polignac number, because 60518261 - 2² = 60518257 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60518461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30259130 + 30259131.

It is an arithmetic number, because the mean of its divisors is an integer number (30259131).

Almost surely, 2^60518261 is an apocalyptic number.

It is an amenable number.

60518261 is a deficient number, since it is larger than the sum of its proper divisors (1).

60518261 is an equidigital number, since it uses as much as digits as its factorization.

60518261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 60518261 is about 7779.3483660266. The cubic root of 60518261 is about 392.6107137607.

Adding to 60518261 its reverse (16281506), we get a palindrome (76799767).

The spelling of 60518261 in words is "sixty million, five hundred eighteen thousand, two hundred sixty-one".