461021047 has 2 divisors, whose sum is σ = 461021048. Its totient is φ = 461021046.

The previous prime is 461021021. The next prime is 461021051. The reversal of 461021047 is 740120164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461021047 - 2²⁷ = 326803319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461021087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230510523 + 230510524.

It is an arithmetic number, because the mean of its divisors is an integer number (230510524).

Almost surely, 2^461021047 is an apocalyptic number.

461021047 is a deficient number, since it is larger than the sum of its proper divisors (1).

461021047 is an equidigital number, since it uses as much as digits as its factorization.

461021047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 461021047 is about 21471.4006762484. The cubic root of 461021047 is about 772.5149940359.

The spelling of 461021047 in words is "four hundred sixty-one million, twenty-one thousand, forty-seven".