605967421 has 2 divisors, whose sum is σ = 605967422. Its totient is φ = 605967420.

The previous prime is 605967409. The next prime is 605967433. The reversal of 605967421 is 124769506.

It is a balanced prime because it is at equal distance from previous prime (605967409) and next prime (605967433).

It can be written as a sum of positive squares in only one way, i.e., 542191225 + 63776196 = 23285^2 + 7986^2 .

It is a cyclic number.

It is not a de Polignac number, because 605967421 - 2⁹ = 605966909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605967491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302983710 + 302983711.

It is an arithmetic number, because the mean of its divisors is an integer number (302983711).

Almost surely, 2^605967421 is an apocalyptic number.

It is an amenable number.

605967421 is a deficient number, since it is larger than the sum of its proper divisors (1).

605967421 is an equidigital number, since it uses as much as digits as its factorization.

605967421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 605967421 is about 24616.4055255839. The cubic root of 605967421 is about 846.2196227606.

The spelling of 605967421 in words is "six hundred five million, nine hundred sixty-seven thousand, four hundred twenty-one".