461771091 has 32 divisors (see below), whose sum is σ = 694367040. Its totient is φ = 303264000.

The previous prime is 461771087. The next prime is 461771113. The reversal of 461771091 is 190177164.

It is not a de Polignac number, because 461771091 - 2² = 461771087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461771021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 853281 + ... + 853821.

It is an arithmetic number, because the mean of its divisors is an integer number (21698970).

Almost surely, 2^461771091 is an apocalyptic number.

461771091 is a deficient number, since it is larger than the sum of its proper divisors (232595949).

461771091 is a wasteful number, since it uses less digits than its factorization.

461771091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 461771091 is about 21488.8596952002. The cubic root of 461771091 is about 772.9337068766.

The spelling of 461771091 in words is "four hundred sixty-one million, seven hundred seventy-one thousand, ninety-one".