451740481 has 4 divisors (see below), whose sum is σ = 451863252. Its totient is φ = 451617712.

The previous prime is 451740479. The next prime is 451740529. The reversal of 451740481 is 184047154.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36192256 + 415548225 = 6016^2 + 20385^2 .

It is a cyclic number.

It is not a de Polignac number, because 451740481 - 2¹ = 451740479 is a prime.

It is a super-2 number, since 2×451740481² = 408138924348222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451740461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55690 + ... + 63283.

It is an arithmetic number, because the mean of its divisors is an integer number (112965813).

Almost surely, 2^451740481 is an apocalyptic number.

It is an amenable number.

451740481 is a deficient number, since it is larger than the sum of its proper divisors (122771).

451740481 is a wasteful number, since it uses less digits than its factorization.

451740481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122770.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 451740481 is about 21254.1873756679. The cubic root of 451740481 is about 767.2961221459.

The spelling of 451740481 in words is "four hundred fifty-one million, seven hundred forty thousand, four hundred eighty-one".