405308341 has 2 divisors, whose sum is σ = 405308342. Its totient is φ = 405308340.

The previous prime is 405308333. The next prime is 405308359. The reversal of 405308341 is 143803504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377524900 + 27783441 = 19430^2 + 5271^2 .

It is a cyclic number.

It is not a de Polignac number, because 405308341 - 2³ = 405308333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405308381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202654170 + 202654171.

It is an arithmetic number, because the mean of its divisors is an integer number (202654171).

Almost surely, 2^405308341 is an apocalyptic number.

It is an amenable number.

405308341 is a deficient number, since it is larger than the sum of its proper divisors (1).

405308341 is an equidigital number, since it uses as much as digits as its factorization.

405308341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 405308341 is about 20132.2711336799. The cubic root of 405308341 is about 740.0513362243.

The spelling of 405308341 in words is "four hundred five million, three hundred eight thousand, three hundred forty-one".