60840497 has 4 divisors (see below), whose sum is σ = 63485760. Its totient is φ = 58195236.

The previous prime is 60840487. The next prime is 60840503. The reversal of 60840497 is 79404806.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60840497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60840497.

It is not an unprimeable number, because it can be changed into a prime (60840407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322597 + ... + 1322642.

It is an arithmetic number, because the mean of its divisors is an integer number (15871440).

Almost surely, 2^60840497 is an apocalyptic number.

It is an amenable number.

60840497 is a deficient number, since it is larger than the sum of its proper divisors (2645263).

60840497 is a wasteful number, since it uses less digits than its factorization.

60840497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645262.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 60840497 is about 7800.0318589093. The cubic root of 60840497 is about 393.3063132992.

The spelling of 60840497 in words is "sixty million, eight hundred forty thousand, four hundred ninety-seven".