60643651 has 2 divisors, whose sum is σ = 60643652. Its totient is φ = 60643650.

The previous prime is 60643637. The next prime is 60643691. The reversal of 60643651 is 15634606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60643651 - 2⁷ = 60643523 is a prime.

It is not a weakly prime, because it can be changed into another prime (60643601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30321825 + 30321826.

It is an arithmetic number, because the mean of its divisors is an integer number (30321826).

Almost surely, 2^60643651 is an apocalyptic number.

60643651 is a deficient number, since it is larger than the sum of its proper divisors (1).

60643651 is an equidigital number, since it uses as much as digits as its factorization.

60643651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 60643651 is about 7787.4033541354. The cubic root of 60643651 is about 392.8816815400.

The spelling of 60643651 in words is "sixty million, six hundred forty-three thousand, six hundred fifty-one".