60640633 has 2 divisors, whose sum is σ = 60640634. Its totient is φ = 60640632.

The previous prime is 60640631. The next prime is 60640651. The reversal of 60640633 is 33604606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58247424 + 2393209 = 7632^2 + 1547^2 .

It is a cyclic number.

It is not a de Polignac number, because 60640633 - 2¹ = 60640631 is a prime.

Together with 60640631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (60640631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30320316 + 30320317.

It is an arithmetic number, because the mean of its divisors is an integer number (30320317).

Almost surely, 2^60640633 is an apocalyptic number.

It is an amenable number.

60640633 is a deficient number, since it is larger than the sum of its proper divisors (1).

60640633 is an equidigital number, since it uses as much as digits as its factorization.

60640633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 60640633 is about 7787.2095772491. The cubic root of 60640633 is about 392.8751640312.

The spelling of 60640633 in words is "sixty million, six hundred forty thousand, six hundred thirty-three".