60617021 has 4 divisors (see below), whose sum is σ = 60648000. Its totient is φ = 60586044.

The previous prime is 60616999. The next prime is 60617041. The reversal of 60617021 is 12071606.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12071606 = 2 ⋅6035803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60617021 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 (60617041) 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, 12341 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (15162000).

Almost surely, 2^60617021 is an apocalyptic number.

It is an amenable number.

60617021 is a deficient number, since it is larger than the sum of its proper divisors (30979).

60617021 is a wasteful number, since it uses less digits than its factorization.

60617021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30978.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 60617021 is about 7785.6933538382. The cubic root of 60617021 is about 392.8241653735.

Adding to 60617021 its reverse (12071606), we get a palindrome (72688627).

The spelling of 60617021 in words is "sixty million, six hundred seventeen thousand, twenty-one".