461447447 has 2 divisors, whose sum is σ = 461447448. Its totient is φ = 461447446.

The previous prime is 461447429. The next prime is 461447477. The reversal of 461447447 is 744744164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461447447 - 2⁶ = 461447383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461447407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230723723 + 230723724.

It is an arithmetic number, because the mean of its divisors is an integer number (230723724).

Almost surely, 2^461447447 is an apocalyptic number.

461447447 is a deficient number, since it is larger than the sum of its proper divisors (1).

461447447 is an equidigital number, since it uses as much as digits as its factorization.

461447447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 301056, while the sum is 41.

The square root of 461447447 is about 21481.3278686398. The cubic root of 461447447 is about 772.7530879315.

The spelling of 461447447 in words is "four hundred sixty-one million, four hundred forty-seven thousand, four hundred forty-seven".