476781461 has 4 divisors (see below), whose sum is σ = 513456972. Its totient is φ = 440105952.

The previous prime is 476781451. The next prime is 476781479. The reversal of 476781461 is 164187674.

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 328696900 + 148084561 = 18130^2 + 12169^2 .

It is not a de Polignac number, because 476781461 - 2¹⁴ = 476765077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476781451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18337736 + ... + 18337761.

It is an arithmetic number, because the mean of its divisors is an integer number (128364243).

Almost surely, 2^476781461 is an apocalyptic number.

It is an amenable number.

476781461 is a deficient number, since it is larger than the sum of its proper divisors (36675511).

476781461 is a wasteful number, since it uses less digits than its factorization.

476781461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36675510.

The product of its digits is 225792, while the sum is 44.

The square root of 476781461 is about 21835.3259879490. The cubic root of 476781461 is about 781.2195807164.

The spelling of 476781461 in words is "four hundred seventy-six million, seven hundred eighty-one thousand, four hundred sixty-one".