253144032 has 24 divisors (see below), whose sum is σ = 664503336. Its totient is φ = 84381312.

The previous prime is 253144019. The next prime is 253144033. The reversal of 253144032 is 230441352.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 253143993 and 253144011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253144033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318363 + ... + 1318554.

It is an arithmetic number, because the mean of its divisors is an integer number (27687639).

Almost surely, 2^253144032 is an apocalyptic number.

It is an amenable number.

253144032 is an abundant number, since it is smaller than the sum of its proper divisors (411359304).

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

253144032 is a wasteful number, since it uses less digits than its factorization.

253144032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636930 (or 2636922 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253144032 is about 15910.5006835109. The cubic root of 253144032 is about 632.5903526140.

Adding to 253144032 its reverse (230441352), we get a palindrome (483585384).

The spelling of 253144032 in words is "two hundred fifty-three million, one hundred forty-four thousand, thirty-two".