60491931 has 8 divisors (see below), whose sum is σ = 81978384. Its totient is φ = 39666720.

The previous prime is 60491917. The next prime is 60491969. The reversal of 60491931 is 13919406.

60491931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 60491931 - 2⁷ = 60491803 is a prime.

It is a super-2 number, since 2×60491931² = 7318547432217522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 60491892 and 60491901.

It is not an unprimeable number, because it can be changed into a prime (60491971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165096 + ... + 165461.

It is an arithmetic number, because the mean of its divisors is an integer number (10247298).

Almost surely, 2^60491931 is an apocalyptic number.

60491931 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

60491931 is a deficient number, since it is larger than the sum of its proper divisors (21486453).

60491931 is a wasteful number, since it uses less digits than its factorization.

60491931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330621.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 60491931 is about 7777.6558807908. The cubic root of 60491931 is about 392.5537670944.

The spelling of 60491931 in words is "sixty million, four hundred ninety-one thousand, nine hundred thirty-one".