5058421 has 2 divisors, whose sum is σ = 5058422. Its totient is φ = 5058420.

The previous prime is 5058419. The next prime is 5058437. The reversal of 5058421 is 1248505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4223025 + 835396 = 2055^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 5058421 - 2¹ = 5058419 is a prime.

Together with 5058419, it forms a pair of twin primes.

5058421 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5058461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2529210 + 2529211.

It is an arithmetic number, because the mean of its divisors is an integer number (2529211).

Almost surely, 2^5058421 is an apocalyptic number.

It is an amenable number.

5058421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5058421 is an equidigital number, since it uses as much as digits as its factorization.

5058421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5058421 is about 2249.0933728950. The cubic root of 5058421 is about 171.6610075532.

It can be divided in two parts, 50584 and 21, that added together give a palindrome (50605).

The spelling of 5058421 in words is "five million, fifty-eight thousand, four hundred twenty-one".