607421 has 2 divisors, whose sum is σ = 607422. Its totient is φ = 607420.

The previous prime is 607417. The next prime is 607423. The reversal of 607421 is 124706.

607421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525625 + 81796 = 725^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 607421 - 2² = 607417 is a prime.

Together with 607423, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 607393 and 607402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (607423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303710 + 303711.

It is an arithmetic number, because the mean of its divisors is an integer number (303711).

2⁶⁰⁷⁴²¹ is an apocalyptic number.

It is an amenable number.

607421 is a deficient number, since it is larger than the sum of its proper divisors (1).

607421 is an equidigital number, since it uses as much as digits as its factorization.

607421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 607421 is about 779.3721832347. The cubic root of 607421 is about 84.6895712379.

The spelling of 607421 in words is "six hundred seven thousand, four hundred twenty-one".