450505253 has 32 divisors (see below), whose sum is σ = 541634688. Its totient is φ = 370022400.

The previous prime is 450505249. The next prime is 450505271. The reversal of 450505253 is 352505054.

It is a happy number.

It is not a de Polignac number, because 450505253 - 2² = 450505249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450505283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513251 + ... + 514127.

It is an arithmetic number, because the mean of its divisors is an integer number (16926084).

Almost surely, 2^450505253 is an apocalyptic number.

It is an amenable number.

450505253 is a deficient number, since it is larger than the sum of its proper divisors (91129435).

450505253 is a wasteful number, since it uses less digits than its factorization.

450505253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 450505253 is about 21225.1090220993. The cubic root of 450505253 is about 766.5961252257.

The spelling of 450505253 in words is "four hundred fifty million, five hundred five thousand, two hundred fifty-three".