454560991 has 4 divisors (see below), whose sum is σ = 455556112. Its totient is φ = 453565872.

The previous prime is 454560989. The next prime is 454561033. The reversal of 454560991 is 199065454.

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

It is a cyclic number.

It is not a de Polignac number, because 454560991 - 2¹ = 454560989 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 (454540991) 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, 496875 + ... + 497788.

It is an arithmetic number, because the mean of its divisors is an integer number (113889028).

Almost surely, 2^454560991 is an apocalyptic number.

454560991 is a deficient number, since it is larger than the sum of its proper divisors (995121).

454560991 is an equidigital number, since it uses as much as digits as its factorization.

454560991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995120.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 454560991 is about 21320.4359946039. The cubic root of 454560991 is about 768.8897198972.

It can be divided in two parts, 4545 and 60991, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 454560991 in words is "four hundred fifty-four million, five hundred sixty thousand, nine hundred ninety-one".