58450421 has 2 divisors, whose sum is σ = 58450422. Its totient is φ = 58450420.

The previous prime is 58450411. The next prime is 58450423. The reversal of 58450421 is 12405485.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58354321 + 96100 = 7639^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 58450421 - 2²² = 54256117 is a prime.

It is a Sophie Germain prime.

Together with 58450423, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58450423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29225210 + 29225211.

It is an arithmetic number, because the mean of its divisors is an integer number (29225211).

Almost surely, 2^58450421 is an apocalyptic number.

It is an amenable number.

58450421 is a deficient number, since it is larger than the sum of its proper divisors (1).

58450421 is an equidigital number, since it uses as much as digits as its factorization.

58450421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 58450421 is about 7645.2875027693. The cubic root of 58450421 is about 388.0871066873.

The spelling of 58450421 in words is "fifty-eight million, four hundred fifty thousand, four hundred twenty-one".