58725981 has 24 divisors (see below), whose sum is σ = 88353720. Its totient is φ = 37555200.

The previous prime is 58725959. The next prime is 58725991. The reversal of 58725981 is 18952785.

It is a happy number.

58725981 is a `hidden beast` number, since 58 + 7 + 2 + 598 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2340900 + 56385081 = 1530^2 + 7509^2 .

It is not a de Polignac number, because 58725981 - 2⁵ = 58725949 is a prime.

It is a super-2 number, since 2×58725981² = 6897481688824722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58725911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21205 + ... + 23813.

It is an arithmetic number, because the mean of its divisors is an integer number (3681405).

Almost surely, 2^58725981 is an apocalyptic number.

It is an amenable number.

58725981 is a deficient number, since it is larger than the sum of its proper divisors (29627739).

58725981 is a wasteful number, since it uses less digits than its factorization.

58725981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2714 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 58725981 is about 7663.2878714035. The cubic root of 58725981 is about 388.6960197034.

The spelling of 58725981 in words is "fifty-eight million, seven hundred twenty-five thousand, nine hundred eighty-one".