60261191 has 4 divisors (see below), whose sum is σ = 61543392. Its totient is φ = 58978992.

The previous prime is 60261181. The next prime is 60261193. The reversal of 60261191 is 19116206.

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 60261191 - 2²² = 56066887 is a prime.

It is a super-2 number, since 2×60261191² = 7262822281476962, which contains 22 as substring.

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 60261191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60261193) 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, 641030 + ... + 641123.

It is an arithmetic number, because the mean of its divisors is an integer number (15385848).

Almost surely, 2^60261191 is an apocalyptic number.

60261191 is a deficient number, since it is larger than the sum of its proper divisors (1282201).

60261191 is a wasteful number, since it uses less digits than its factorization.

60261191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282200.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 60261191 is about 7762.8081903394. The cubic root of 60261191 is about 392.0540130175.

Adding to 60261191 its reverse (19116206), we get a palindrome (79377397).

The spelling of 60261191 in words is "sixty million, two hundred sixty-one thousand, one hundred ninety-one".