253001232 has 100 divisors (see below), whose sum is σ = 798872976. Its totient is φ = 76662720.

The previous prime is 253001209. The next prime is 253001233. The reversal of 253001232 is 232100352.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (253001233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5383 + ... + 23129.

Almost surely, 2^253001232 is an apocalyptic number.

253001232 is a gapful number since it is divisible by the number (22) 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 253001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399436488).

253001232 is an abundant number, since it is smaller than the sum of its proper divisors (545871744).

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

253001232 is a wasteful number, since it uses less digits than its factorization.

253001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778 (or 17763 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 253001232 is about 15906.0124481279. The cubic root of 253001232 is about 632.4713809586.

Adding to 253001232 its reverse (232100352), we get a palindrome (485101584).

The spelling of 253001232 in words is "two hundred fifty-three million, one thousand, two hundred thirty-two".