505641030 has 32 divisors (see below), whose sum is σ = 1284924384. Its totient is φ = 126905856.

The previous prime is 505641023. The next prime is 505641043. The reversal of 505641030 is 30146505.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495217 + ... + 496236.

It is an arithmetic number, because the mean of its divisors is an integer number (40153887).

Almost surely, 2^505641030 is an apocalyptic number.

505641030 is an abundant number, since it is smaller than the sum of its proper divisors (779283354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505641030 is a wasteful number, since it uses less digits than its factorization.

505641030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991480.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 505641030 is about 22486.4632612601. The cubic root of 505641030 is about 796.6742296822.

Adding to 505641030 its reverse (30146505), we get a palindrome (535787535).

The spelling of 505641030 in words is "five hundred five million, six hundred forty-one thousand, thirty".