60304991 has 4 divisors (see below), whose sum is σ = 60442800. Its totient is φ = 60167184.

The previous prime is 60304969. The next prime is 60304999. The reversal of 60304991 is 19940306.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60304991 - 2¹⁴ = 60288607 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 (60304999) 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, 68246 + ... + 69123.

It is an arithmetic number, because the mean of its divisors is an integer number (15110700).

Almost surely, 2^60304991 is an apocalyptic number.

60304991 is a deficient number, since it is larger than the sum of its proper divisors (137809).

60304991 is a wasteful number, since it uses less digits than its factorization.

60304991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137808.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 60304991 is about 7765.6288219306. The cubic root of 60304991 is about 392.1489763306.

The spelling of 60304991 in words is "sixty million, three hundred four thousand, nine hundred ninety-one".