58313021 has 4 divisors (see below), whose sum is σ = 62798652. Its totient is φ = 53827392.

The previous prime is 58312987. The next prime is 58313023. The reversal of 58313021 is 12031385.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12031385 = 5 ⋅2406277.

It can be written as a sum of positive squares in 2 ways, for example, as 4452100 + 53860921 = 2110^2 + 7339^2 .

It is a cyclic number.

It is not a de Polignac number, because 58313021 - 2¹⁰ = 58311997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58313023) 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, 2242796 + ... + 2242821.

It is an arithmetic number, because the mean of its divisors is an integer number (15699663).

Almost surely, 2^58313021 is an apocalyptic number.

It is an amenable number.

58313021 is a deficient number, since it is larger than the sum of its proper divisors (4485631).

58313021 is a wasteful number, since it uses less digits than its factorization.

58313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485630.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 58313021 is about 7636.2962881229. The cubic root of 58313021 is about 387.7827746589.

The spelling of 58313021 in words is "fifty-eight million, three hundred thirteen thousand, twenty-one".