253505466 has 24 divisors (see below), whose sum is σ = 559627380. Its totient is φ = 82907136.

The previous prime is 253505459. The next prime is 253505521. The reversal of 253505466 is 664505352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 253478241 + 27225 = 15921^2 + 165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 253505466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131911 + ... + 133818.

Almost surely, 2^253505466 is an apocalyptic number.

253505466 is an abundant number, since it is smaller than the sum of its proper divisors (306121914).

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

253505466 is a wasteful number, since it uses less digits than its factorization.

253505466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265790 (or 265787 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 253505466 is about 15921.8549798697. The cubic root of 253505466 is about 632.8912760715.

The spelling of 253505466 in words is "two hundred fifty-three million, five hundred five thousand, four hundred sixty-six".