253224500 has 24 divisors (see below), whose sum is σ = 553043400. Its totient is φ = 101289600.

The previous prime is 253224497. The next prime is 253224509. The reversal of 253224500 is 5422352.

It can be written as a sum of positive squares in 4 ways, for example, as 63170704 + 190053796 = 7948^2 + 13786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253224509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252725 + ... + 253724.

It is an arithmetic number, because the mean of its divisors is an integer number (23043475).

Almost surely, 2^253224500 is an apocalyptic number.

253224500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253224500 is an abundant number, since it is smaller than the sum of its proper divisors (299818900).

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

253224500 is a wasteful number, since it uses less digits than its factorization.

253224500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506468 (or 506456 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 253224500 is about 15913.0292527853. The cubic root of 253224500 is about 632.6573736000.

Adding to 253224500 its reverse (5422352), we get a palindrome (258646852).

The spelling of 253224500 in words is "two hundred fifty-three million, two hundred twenty-four thousand, five hundred".