253225500 has 192 divisors, whose sum is σ = 817689600. Its totient is φ = 60384000.

The previous prime is 253225493. The next prime is 253225501. The reversal of 253225500 is 5522352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253225501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1699426 + ... + 1699574.

It is an arithmetic number, because the mean of its divisors is an integer number (4258800).

Almost surely, 2^253225500 is an apocalyptic number.

253225500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253225500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408844800).

253225500 is an abundant number, since it is smaller than the sum of its proper divisors (564464100).

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

253225500 is a wasteful number, since it uses less digits than its factorization.

253225500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 253225500 is about 15913.0606735474. The cubic root of 253225500 is about 632.6582064006.

Adding to 253225500 its reverse (5522352), we get a palindrome (258747852).

The spelling of 253225500 in words is "two hundred fifty-three million, two hundred twenty-five thousand, five hundred".