60613521 has 8 divisors (see below), whose sum is σ = 80900544. Its totient is φ = 40367760.

The previous prime is 60613513. The next prime is 60613523. The reversal of 60613521 is 12531606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60613521 - 2³ = 60613513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60613491 and 60613500.

It is not an unprimeable number, because it can be changed into a prime (60613523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6706 + ... + 12891.

It is an arithmetic number, because the mean of its divisors is an integer number (10112568).

Almost surely, 2^60613521 is an apocalyptic number.

It is an amenable number.

60613521 is a deficient number, since it is larger than the sum of its proper divisors (20287023).

60613521 is a wasteful number, since it uses less digits than its factorization.

60613521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20631.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 60613521 is about 7785.4685793470. The cubic root of 60613521 is about 392.8166047301.

The spelling of 60613521 in words is "sixty million, six hundred thirteen thousand, five hundred twenty-one".