505423150 has 24 divisors (see below), whose sum is σ = 941770080. Its totient is φ = 201807360.

The previous prime is 505423117. The next prime is 505423153. The reversal of 505423150 is 51324505.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505423153) 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, 20091 + ... + 37609.

It is an arithmetic number, because the mean of its divisors is an integer number (39240420).

Almost surely, 2^505423150 is an apocalyptic number.

505423150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505423150 is a deficient number, since it is larger than the sum of its proper divisors (436346930).

505423150 is a wasteful number, since it uses less digits than its factorization.

505423150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18108 (or 18103 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 505423150 is about 22481.6180467510. The cubic root of 505423150 is about 796.5597846454.

Adding to 505423150 its reverse (51324505), we get a palindrome (556747655).

The spelling of 505423150 in words is "five hundred five million, four hundred twenty-three thousand, one hundred fifty".