60001691 has 4 divisors (see below), whose sum is σ = 60019512. Its totient is φ = 59983872.

The previous prime is 60001651. The next prime is 60001699. The reversal of 60001691 is 19610006.

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 60001691 - 2¹⁴ = 59985307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60001699) 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, 2150 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (15004878).

Almost surely, 2^60001691 is an apocalyptic number.

60001691 is a deficient number, since it is larger than the sum of its proper divisors (17821).

60001691 is a wasteful number, since it uses less digits than its factorization.

60001691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17820.

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

The square root of 60001691 is about 7746.0758452264. The cubic root of 60001691 is about 391.4904418830.

Adding to 60001691 its reverse (19610006), we get a palindrome (79611697).

The spelling of 60001691 in words is "sixty million, one thousand, six hundred ninety-one".