481874551 has 2 divisors, whose sum is σ = 481874552. Its totient is φ = 481874550.

The previous prime is 481874543. The next prime is 481874581. The reversal of 481874551 is 155478184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481874551 - 2³ = 481874543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 481874498 and 481874507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481874501) 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, 240937275 + 240937276.

It is an arithmetic number, because the mean of its divisors is an integer number (240937276).

Almost surely, 2^481874551 is an apocalyptic number.

481874551 is a deficient number, since it is larger than the sum of its proper divisors (1).

481874551 is an equidigital number, since it uses as much as digits as its factorization.

481874551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 179200, while the sum is 43.

The square root of 481874551 is about 21951.6411914918. The cubic root of 481874551 is about 783.9914569170.

The spelling of 481874551 in words is "four hundred eighty-one million, eight hundred seventy-four thousand, five hundred fifty-one".