461328551 has 2 divisors, whose sum is σ = 461328552. Its totient is φ = 461328550.

The previous prime is 461328533. The next prime is 461328559. The reversal of 461328551 is 155823164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461328551 - 2⁶ = 461328487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461328559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230664275 + 230664276.

It is an arithmetic number, because the mean of its divisors is an integer number (230664276).

Almost surely, 2^461328551 is an apocalyptic number.

461328551 is a deficient number, since it is larger than the sum of its proper divisors (1).

461328551 is an equidigital number, since it uses as much as digits as its factorization.

461328551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 461328551 is about 21478.5602636676. The cubic root of 461328551 is about 772.6867133502.

The spelling of 461328551 in words is "four hundred sixty-one million, three hundred twenty-eight thousand, five hundred fifty-one".