60651961 has 2 divisors, whose sum is σ = 60651962. Its totient is φ = 60651960.

The previous prime is 60651923. The next prime is 60651967. The reversal of 60651961 is 16915606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59768361 + 883600 = 7731^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 60651961 - 2²⁵ = 27097529 is a prime.

It is not a weakly prime, because it can be changed into another prime (60651967) 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, 30325980 + 30325981.

It is an arithmetic number, because the mean of its divisors is an integer number (30325981).

Almost surely, 2^60651961 is an apocalyptic number.

It is an amenable number.

60651961 is a deficient number, since it is larger than the sum of its proper divisors (1).

60651961 is an equidigital number, since it uses as much as digits as its factorization.

60651961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 60651961 is about 7787.9368898316. The cubic root of 60651961 is about 392.8996262471.

The spelling of 60651961 in words is "sixty million, six hundred fifty-one thousand, nine hundred sixty-one".