60640507 has 2 divisors, whose sum is σ = 60640508. Its totient is φ = 60640506.

The previous prime is 60640493. The next prime is 60640519. The reversal of 60640507 is 70504606.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60640507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60640577) 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, 30320253 + 30320254.

It is an arithmetic number, because the mean of its divisors is an integer number (30320254).

Almost surely, 2^60640507 is an apocalyptic number.

60640507 is a deficient number, since it is larger than the sum of its proper divisors (1).

60640507 is an equidigital number, since it uses as much as digits as its factorization.

60640507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 60640507 is about 7787.2014870555. The cubic root of 60640507 is about 392.8748919238.

The spelling of 60640507 in words is "sixty million, six hundred forty thousand, five hundred seven".