461471965 has 4 divisors (see below), whose sum is σ = 553766364. Its totient is φ = 369177568.

The previous prime is 461471957. The next prime is 461472013. The reversal of 461471965 is 569174164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 324792484 + 136679481 = 18022^2 + 11691^2 .

It is a cyclic number.

It is not a de Polignac number, because 461471965 - 2³ = 461471957 is a prime.

It is a super-2 number, since 2×461471965² = 425912748961922450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46147192 + ... + 46147201.

It is an arithmetic number, because the mean of its divisors is an integer number (138441591).

Almost surely, 2^461471965 is an apocalyptic number.

It is an amenable number.

461471965 is a deficient number, since it is larger than the sum of its proper divisors (92294399).

461471965 is an equidigital number, since it uses as much as digits as its factorization.

461471965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92294398.

The product of its digits is 181440, while the sum is 43.

The square root of 461471965 is about 21481.8985427266. The cubic root of 461471965 is about 772.7667738704.

The spelling of 461471965 in words is "four hundred sixty-one million, four hundred seventy-one thousand, nine hundred sixty-five".