505645041 has 32 divisors (see below), whose sum is σ = 785359872. Its totient is φ = 286292160.

The previous prime is 505645027. The next prime is 505645067. The reversal of 505645041 is 140546505.

It is not a de Polignac number, because 505645041 - 2¹³ = 505636849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505645001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24891 + ... + 40383.

It is an arithmetic number, because the mean of its divisors is an integer number (24542496).

Almost surely, 2^505645041 is an apocalyptic number.

It is an amenable number.

505645041 is a deficient number, since it is larger than the sum of its proper divisors (279714831).

505645041 is a wasteful number, since it uses less digits than its factorization.

505645041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15573.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 505645041 is about 22486.5524480744. The cubic root of 505645041 is about 796.6763362174.

It can be divided in two parts, 505 and 645041, that added together give a palindrome (645546).

The spelling of 505645041 in words is "five hundred five million, six hundred forty-five thousand, forty-one".