476452381 has 4 divisors (see below), whose sum is σ = 476501212. Its totient is φ = 476403552.

The previous prime is 476452363. The next prime is 476452391. The reversal of 476452381 is 183254674.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 431226756 + 45225625 = 20766^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 476452381 - 2⁹ = 476451869 is a prime.

It is a super-2 number, since 2×476452381² = 454013742721138322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476452321) 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, 4200 + ... + 31153.

It is an arithmetic number, because the mean of its divisors is an integer number (119125303).

Almost surely, 2^476452381 is an apocalyptic number.

It is an amenable number.

476452381 is a deficient number, since it is larger than the sum of its proper divisors (48831).

476452381 is a wasteful number, since it uses less digits than its factorization.

476452381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48830.

The product of its digits is 161280, while the sum is 40.

The square root of 476452381 is about 21827.7891917620. The cubic root of 476452381 is about 781.0398037950.

The spelling of 476452381 in words is "four hundred seventy-six million, four hundred fifty-two thousand, three hundred eighty-one".