505245372 has 48 divisors (see below), whose sum is σ = 1265870592. Its totient is φ = 156271360.

The previous prime is 505245361. The next prime is 505245407. The reversal of 505245372 is 273542505.

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, 2958 + ... + 31925.

It is an arithmetic number, because the mean of its divisors is an integer number (26372304).

Almost surely, 2^505245372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505245372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632935296).

505245372 is an abundant number, since it is smaller than the sum of its proper divisors (760625220).

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

505245372 is a wasteful number, since it uses less digits than its factorization.

505245372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34978 (or 34976 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 505245372 is about 22477.6638465833. The cubic root of 505245372 is about 796.4663794712.

Adding to 505245372 its reverse (273542505), we get a palindrome (778787877).

The spelling of 505245372 in words is "five hundred five million, two hundred forty-five thousand, three hundred seventy-two".