481111451 has 2 divisors, whose sum is σ = 481111452. Its totient is φ = 481111450.

The previous prime is 481111417. The next prime is 481111459. The reversal of 481111451 is 154111184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481111451 - 2¹⁸ = 480849307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481111451.

It is not a weakly prime, because it can be changed into another prime (481111459) 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 as a sum of consecutive naturals, namely, 240555725 + 240555726.

It is an arithmetic number, because the mean of its divisors is an integer number (240555726).

Almost surely, 2^481111451 is an apocalyptic number.

481111451 is a deficient number, since it is larger than the sum of its proper divisors (1).

481111451 is an equidigital number, since it uses as much as digits as its factorization.

481111451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 26.

The square root of 481111451 is about 21934.2529163863. The cubic root of 481111451 is about 783.5773934347.

The spelling of 481111451 in words is "four hundred eighty-one million, one hundred eleven thousand, four hundred fifty-one".