405341477 has 2 divisors, whose sum is σ = 405341478. Its totient is φ = 405341476.

The previous prime is 405341467. The next prime is 405341527. The reversal of 405341477 is 774143504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405176641 + 164836 = 20129^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 405341477 - 2¹² = 405337381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405341407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202670738 + 202670739.

It is an arithmetic number, because the mean of its divisors is an integer number (202670739).

Almost surely, 2^405341477 is an apocalyptic number.

It is an amenable number.

405341477 is a deficient number, since it is larger than the sum of its proper divisors (1).

405341477 is an equidigital number, since it uses as much as digits as its factorization.

405341477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 405341477 is about 20133.0940741854. The cubic root of 405341477 is about 740.0715033171.

The spelling of 405341477 in words is "four hundred five million, three hundred forty-one thousand, four hundred seventy-seven".