58302421 has 4 divisors (see below), whose sum is σ = 58673932. Its totient is φ = 57930912.

The previous prime is 58302407. The next prime is 58302457. The reversal of 58302421 is 12420385.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37271025 + 21031396 = 6105^2 + 4586^2 .

It is a cyclic number.

It is not a de Polignac number, because 58302421 - 2¹⁷ = 58171349 is a prime.

It is a super-2 number, since 2×58302421² = 6798344588922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58302221) 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, 185520 + ... + 185833.

It is an arithmetic number, because the mean of its divisors is an integer number (14668483).

Almost surely, 2^58302421 is an apocalyptic number.

It is an amenable number.

58302421 is a deficient number, since it is larger than the sum of its proper divisors (371511).

58302421 is a wasteful number, since it uses less digits than its factorization.

58302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371510.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 58302421 is about 7635.6022028390. The cubic root of 58302421 is about 387.7592764966.

The spelling of 58302421 in words is "fifty-eight million, three hundred two thousand, four hundred twenty-one".