253992450 has 96 divisors (see below), whose sum is σ = 665957376. Its totient is φ = 63933760.

The previous prime is 253992449. The next prime is 253992451. The reversal of 253992450 is 54299352.

253992450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253992449) and next prime (253992451).

It is a junction number, because it is equal to n+sod(n) for n = 253992399 and 253992408.

It is not an unprimeable number, because it can be changed into a prime (253992451) 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 47 ways as a sum of consecutive naturals, for example, 285907 + ... + 286793.

It is an arithmetic number, because the mean of its divisors is an integer number (6937056).

Almost surely, 2^253992450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253992450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332978688).

253992450 is an abundant number, since it is smaller than the sum of its proper divisors (411964926).

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

253992450 is a wasteful number, since it uses less digits than its factorization.

253992450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 253992450 is about 15937.1405841826. The cubic root of 253992450 is about 633.2962782260.

The spelling of 253992450 in words is "two hundred fifty-three million, nine hundred ninety-two thousand, four hundred fifty".