454521331 has 8 divisors (see below), whose sum is σ = 517400064. Its totient is φ = 395235720.

The previous prime is 454521329. The next prime is 454521337. The reversal of 454521331 is 133125454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 454521331 - 2¹ = 454521329 is a prime.

It is a super-2 number, since 2×454521331² = 413179280668023122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454521331.

It is not an unprimeable number, because it can be changed into a prime (454521337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898011 + ... + 898516.

It is an arithmetic number, because the mean of its divisors is an integer number (64675008).

Almost surely, 2^454521331 is an apocalyptic number.

454521331 is a deficient number, since it is larger than the sum of its proper divisors (62878733).

454521331 is a wasteful number, since it uses less digits than its factorization.

454521331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796561.

The product of its digits is 7200, while the sum is 28.

The square root of 454521331 is about 21319.5058807656. The cubic root of 454521331 is about 768.8673576225.

Adding to 454521331 its reverse (133125454), we get a palindrome (587646785).

The spelling of 454521331 in words is "four hundred fifty-four million, five hundred twenty-one thousand, three hundred thirty-one".