405422541 has 12 divisors (see below), whose sum is σ = 611071968. Its totient is φ = 258530184.

The previous prime is 405422503. The next prime is 405422569. The reversal of 405422541 is 145224504.

405422541 is a `hidden beast` number, since 405 + 4 + 2 + 254 + 1 = 666.

It is not a de Polignac number, because 405422541 - 2⁹ = 405422029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405420541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979075 + ... + 979488.

It is an arithmetic number, because the mean of its divisors is an integer number (50922664).

Almost surely, 2^405422541 is an apocalyptic number.

It is an amenable number.

405422541 is a deficient number, since it is larger than the sum of its proper divisors (205649427).

405422541 is a wasteful number, since it uses less digits than its factorization.

405422541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958592 (or 1958589 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 405422541 is about 20135.1071762730. The cubic root of 405422541 is about 740.1208355147.

The spelling of 405422541 in words is "four hundred five million, four hundred twenty-two thousand, five hundred forty-one".