60421517 has 4 divisors (see below), whose sum is σ = 65069340. Its totient is φ = 55773696.

The previous prime is 60421489. The next prime is 60421531. The reversal of 60421517 is 71512406.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13169641 + 47251876 = 3629^2 + 6874^2 .

It is a cyclic number.

It is not a de Polignac number, because 60421517 - 2⁶ = 60421453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60421547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2323892 + ... + 2323917.

It is an arithmetic number, because the mean of its divisors is an integer number (16267335).

Almost surely, 2^60421517 is an apocalyptic number.

It is an amenable number.

60421517 is a deficient number, since it is larger than the sum of its proper divisors (4647823).

60421517 is a wasteful number, since it uses less digits than its factorization.

60421517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647822.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 60421517 is about 7773.1278775021. The cubic root of 60421517 is about 392.4013940838.

The spelling of 60421517 in words is "sixty million, four hundred twenty-one thousand, five hundred seventeen".