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35481 = 311827

35481 has 4 divisors (see below), whose sum is σ = 47312. Its totient is φ = 23652.

The previous prime is 35461. The next prime is 35491. The reversal of 35481 is 18453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18453 = 36151.

It is not a de Polignac number, because 35481 - 25 = 35449 is a prime.

It is a super-2 number, since 2×354812 = 2517802722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

35481 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 35481.

It is not an unprimeable number, because it can be changed into a prime (35401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5911 + ... + 5916.

It is an arithmetic number, because the mean of its divisors is an integer number (11828).

235481 is an apocalyptic number.

It is an amenable number.

35481 is a deficient number, since it is larger than the sum of its proper divisors (11831).

35481 is a wasteful number, since it uses less digits than its factorization.

35481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11830.

The product of its digits is 480, while the sum is 21.

The square root of 35481 is about 188.3640093011. The cubic root of 35481 is about 32.8598278479.

It can be divided in two parts, 354 and 81, that added together give a triangular number (435 = T29).

The spelling of 35481 in words is "thirty-five thousand, four hundred eighty-one".

Divisors: 1 3 11827 35481