505025244 has 36 divisors (see below), whose sum is σ = 1343782440. Its totient is φ = 159481440.

The previous prime is 505025243. The next prime is 505025251. The reversal of 505025244 is 442520505.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505025243) 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, 368487 + ... + 369854.

It is an arithmetic number, because the mean of its divisors is an integer number (37327290).

Almost surely, 2^505025244 is an apocalyptic number.

It is an amenable number.

505025244 is an abundant number, since it is smaller than the sum of its proper divisors (838757196).

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

505025244 is a wasteful number, since it uses less digits than its factorization.

505025244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738370 (or 738365 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 505025244 is about 22472.7667188533. The cubic root of 505025244 is about 796.3506930944.

Adding to 505025244 its reverse (442520505), we get a palindrome (947545749).

The spelling of 505025244 in words is "five hundred five million, twenty-five thousand, two hundred forty-four".