253199436 has 96 divisors (see below), whose sum is σ = 710717952. Its totient is φ = 68636160.

The previous prime is 253199431. The next prime is 253199449. The reversal of 253199436 is 634991352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (253199431) 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 31 ways as a sum of consecutive naturals, for example, 126435 + ... + 128421.

It is an arithmetic number, because the mean of its divisors is an integer number (7403312).

Almost surely, 2^253199436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253199436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355358976).

253199436 is an abundant number, since it is smaller than the sum of its proper divisors (457518516).

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

253199436 is a wasteful number, since it uses less digits than its factorization.

253199436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2077 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 253199436 is about 15912.2417025383. The cubic root of 253199436 is about 632.6364995697.

The spelling of 253199436 in words is "two hundred fifty-three million, one hundred ninety-nine thousand, four hundred thirty-six".