60231621 has 8 divisors (see below), whose sum is σ = 80362944. Its totient is φ = 40127360.

The previous prime is 60231617. The next prime is 60231679. The reversal of 60231621 is 12613206.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 60231621 - 2² = 60231617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60231421) 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, 825 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (10045368).

Almost surely, 2^60231621 is an apocalyptic number.

It is an amenable number.

60231621 is a deficient number, since it is larger than the sum of its proper divisors (20131323).

60231621 is a wasteful number, since it uses less digits than its factorization.

60231621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13531.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 60231621 is about 7760.9033623670. The cubic root of 60231621 is about 391.9898759186.

Adding to 60231621 its reverse (12613206), we get a palindrome (72844827).

It can be divided in two parts, 602 and 31621, that added together give a palindrome (32223).

The spelling of 60231621 in words is "sixty million, two hundred thirty-one thousand, six hundred twenty-one".