60640493 has 2 divisors, whose sum is σ = 60640494. Its totient is φ = 60640492.

The previous prime is 60640487. The next prime is 60640507. The reversal of 60640493 is 39404606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46063369 + 14577124 = 6787^2 + 3818^2 .

It is a cyclic number.

It is not a de Polignac number, because 60640493 - 2⁴ = 60640477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60640453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30320246 + 30320247.

It is an arithmetic number, because the mean of its divisors is an integer number (30320247).

Almost surely, 2^60640493 is an apocalyptic number.

It is an amenable number.

60640493 is a deficient number, since it is larger than the sum of its proper divisors (1).

60640493 is an equidigital number, since it uses as much as digits as its factorization.

60640493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 60640493 is about 7787.2005881446. The cubic root of 60640493 is about 392.8748616896.

The spelling of 60640493 in words is "sixty million, six hundred forty thousand, four hundred ninety-three".