450251255 has 4 divisors (see below), whose sum is σ = 540301512. Its totient is φ = 360201000.

The previous prime is 450251251. The next prime is 450251279. The reversal of 450251255 is 552152054.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 450251255 - 2² = 450251251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450251251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45025121 + ... + 45025130.

It is an arithmetic number, because the mean of its divisors is an integer number (135075378).

Almost surely, 2^450251255 is an apocalyptic number.

450251255 is a deficient number, since it is larger than the sum of its proper divisors (90050257).

450251255 is an equidigital number, since it uses as much as digits as its factorization.

450251255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90050256.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 450251255 is about 21219.1247463226. The cubic root of 450251255 is about 766.4520273959.

The spelling of 450251255 in words is "four hundred fifty million, two hundred fifty-one thousand, two hundred fifty-five".