454521405 has 16 divisors (see below), whose sum is σ = 783175680. Its totient is φ = 223764288.

The previous prime is 454521391. The next prime is 454521409. The reversal of 454521405 is 504125454.

It is not a de Polignac number, because 454521405 - 2⁸ = 454521149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454521409) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1165245 + ... + 1165634.

It is an arithmetic number, because the mean of its divisors is an integer number (48948480).

Almost surely, 2^454521405 is an apocalyptic number.

It is an amenable number.

454521405 is a deficient number, since it is larger than the sum of its proper divisors (328654275).

454521405 is a wasteful number, since it uses less digits than its factorization.

454521405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330900.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 454521405 is about 21319.5076162654. The cubic root of 454521405 is about 768.8673993486.

Adding to 454521405 its reverse (504125454), we get a palindrome (958646859).

The spelling of 454521405 in words is "four hundred fifty-four million, five hundred twenty-one thousand, four hundred five".