32461381 has 8 divisors (see below), whose sum is σ = 35209944. Its totient is φ = 29806080.

The previous prime is 32461379. The next prime is 32461391. The reversal of 32461381 is 18316423.

It can be written as a sum of positive squares in 4 ways, for example, as 312481 + 32148900 = 559^2 + 5670^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32461381 - 2¹ = 32461379 is a prime.

It is a super-2 number, since 2×32461381² = 2107482512854322, 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 (32461391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22590 + ... + 23983.

It is an arithmetic number, because the mean of its divisors is an integer number (4401243).

Almost surely, 2^32461381 is an apocalyptic number.

It is an amenable number.

32461381 is a deficient number, since it is larger than the sum of its proper divisors (2748563).

32461381 is a wasteful number, since it uses less digits than its factorization.

32461381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46631.

The product of its digits is 3456, while the sum is 28.

The square root of 32461381 is about 5697.4890083264. The cubic root of 32461381 is about 318.9987617998.

The spelling of 32461381 in words is "thirty-two million, four hundred sixty-one thousand, three hundred eighty-one".