60131591 has 16 divisors (see below), whose sum is σ = 68414976. Its totient is φ = 52431456.

The previous prime is 60131581. The next prime is 60131593. The reversal of 60131591 is 19513106.

It is a cyclic number.

It is not a de Polignac number, because 60131591 - 2¹⁴ = 60115207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60131591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60131593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23606 + ... + 26028.

It is an arithmetic number, because the mean of its divisors is an integer number (4275936).

Almost surely, 2^60131591 is an apocalyptic number.

60131591 is a deficient number, since it is larger than the sum of its proper divisors (8283385).

60131591 is a wasteful number, since it uses less digits than its factorization.

60131591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 60131591 is about 7754.4562027263. The cubic root of 60131591 is about 391.7727558900.

Adding to 60131591 its reverse (19513106), we get a palindrome (79644697).

The spelling of 60131591 in words is "sixty million, one hundred thirty-one thousand, five hundred ninety-one".