58961191 has 4 divisors (see below), whose sum is σ = 58981384. Its totient is φ = 58941000.

The previous prime is 58961153. The next prime is 58961209. The reversal of 58961191 is 19116985.

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 58961191 - 2⁹ = 58960679 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 (58961131) 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, 4785 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (14745346).

Almost surely, 2^58961191 is an apocalyptic number.

58961191 is a deficient number, since it is larger than the sum of its proper divisors (20193).

58961191 is a wasteful number, since it uses less digits than its factorization.

58961191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20192.

The product of its digits is 19440, while the sum is 40.

The square root of 58961191 is about 7678.6190815797. The cubic root of 58961191 is about 389.2142650695.

The spelling of 58961191 in words is "fifty-eight million, nine hundred sixty-one thousand, one hundred ninety-one".