58012921 has 4 divisors (see below), whose sum is σ = 58035600. Its totient is φ = 57990244.

The previous prime is 58012919. The next prime is 58012931. The reversal of 58012921 is 12921085.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58012921 - 2¹ = 58012919 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 58012921.

It is not an unprimeable number, because it can be changed into a prime (58012931) 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, 6931 + ... + 12808.

It is an arithmetic number, because the mean of its divisors is an integer number (14508900).

Almost surely, 2^58012921 is an apocalyptic number.

It is an amenable number.

58012921 is a deficient number, since it is larger than the sum of its proper divisors (22679).

58012921 is a wasteful number, since it uses less digits than its factorization.

58012921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22678.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 58012921 is about 7616.6213638332. The cubic root of 58012921 is about 387.1164065245.

The spelling of 58012921 in words is "fifty-eight million, twelve thousand, nine hundred twenty-one".