253456450 has 48 divisors (see below), whose sum is σ = 511295400. Its totient is φ = 92920320.

The previous prime is 253456397. The next prime is 253456453. The reversal of 253456450 is 54654352.

It can be written as a sum of positive squares in 12 ways, for example, as 5803281 + 247653169 = 2409^2 + 15737^2 .

It is a super-3 number, since 3×253456450³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (253456453) 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 23 ways as a sum of consecutive naturals, for example, 95542 + ... + 98158.

Almost surely, 2^253456450 is an apocalyptic number.

253456450 is an abundant number, since it is smaller than the sum of its proper divisors (257838950).

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

253456450 is a wasteful number, since it uses less digits than its factorization.

253456450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791 (or 2786 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 253456450 is about 15920.3156375745. The cubic root of 253456450 is about 632.8504830018.

The spelling of 253456450 in words is "two hundred fifty-three million, four hundred fifty-six thousand, four hundred fifty".