60131921 has 8 divisors (see below), whose sum is σ = 60900840. Its totient is φ = 59367168.

The previous prime is 60131917. The next prime is 60131927. The reversal of 60131921 is 12913106.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 286225 + 59845696 = 535^2 + 7736^2 .

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 60131921 - 2² = 60131917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60131927) 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, 35915 + ... + 37551.

It is an arithmetic number, because the mean of its divisors is an integer number (7612605).

Almost surely, 2^60131921 is an apocalyptic number.

It is an amenable number.

60131921 is a deficient number, since it is larger than the sum of its proper divisors (768919).

60131921 is a wasteful number, since it uses less digits than its factorization.

60131921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 60131921 is about 7754.4774807849. The cubic root of 60131921 is about 391.7734725669.

The spelling of 60131921 in words is "sixty million, one hundred thirty-one thousand, nine hundred twenty-one".