462538381 has 4 divisors (see below), whose sum is σ = 462609532. Its totient is φ = 462467232.

The previous prime is 462538379. The next prime is 462538387. The reversal of 462538381 is 183835264.

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 285914281 + 176624100 = 16909^2 + 13290^2 .

It is a cyclic number.

It is not a de Polignac number, because 462538381 - 2¹ = 462538379 is a prime.

It is a super-2 number, since 2×462538381² = 427883507796202322, 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 (462538387) 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, 24720 + ... + 39193.

It is an arithmetic number, because the mean of its divisors is an integer number (115652383).

Almost surely, 2^462538381 is an apocalyptic number.

It is an amenable number.

462538381 is a deficient number, since it is larger than the sum of its proper divisors (71151).

462538381 is an equidigital number, since it uses as much as digits as its factorization.

462538381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71150.

The product of its digits is 138240, while the sum is 40.

The square root of 462538381 is about 21506.7054892189. The cubic root of 462538381 is about 773.3615784166.

The spelling of 462538381 in words is "four hundred sixty-two million, five hundred thirty-eight thousand, three hundred eighty-one".