58161213 has 32 divisors (see below), whose sum is σ = 94884480. Its totient is φ = 34917120.

The previous prime is 58161209. The next prime is 58161221. The reversal of 58161213 is 31216185.

58161213 is a `hidden beast` number, since 581 + 61 + 21 + 3 = 666.

It is not a de Polignac number, because 58161213 - 2² = 58161209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58161203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32695 + ... + 34427.

It is an arithmetic number, because the mean of its divisors is an integer number (2965140).

Almost surely, 2^58161213 is an apocalyptic number.

It is an amenable number.

58161213 is a deficient number, since it is larger than the sum of its proper divisors (36723267).

58161213 is a wasteful number, since it uses less digits than its factorization.

58161213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1860 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 58161213 is about 7626.3499132940. The cubic root of 58161213 is about 387.4459734598.

Adding to 58161213 its reverse (31216185), we get a palindrome (89377398).

The spelling of 58161213 in words is "fifty-eight million, one hundred sixty-one thousand, two hundred thirteen".