481052381 has 4 divisors (see below), whose sum is σ = 482694492. Its totient is φ = 479410272.

The previous prime is 481052357. The next prime is 481052399. The reversal of 481052381 is 183250184.

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 402002500 + 79049881 = 20050^2 + 8891^2 .

It is a cyclic number.

It is not a de Polignac number, because 481052381 - 2¹⁸ = 480790237 is a prime.

It is a super-3 number, since 3×481052381³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481052321) 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, 820616 + ... + 821201.

It is an arithmetic number, because the mean of its divisors is an integer number (120673623).

Almost surely, 2^481052381 is an apocalyptic number.

It is an amenable number.

481052381 is a deficient number, since it is larger than the sum of its proper divisors (1642111).

481052381 is a wasteful number, since it uses less digits than its factorization.

481052381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642110.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 481052381 is about 21932.9063509604. The cubic root of 481052381 is about 783.5453233804.

The spelling of 481052381 in words is "four hundred eighty-one million, fifty-two thousand, three hundred eighty-one".