36481281 has 8 divisors (see below), whose sum is σ = 48696864. Its totient is φ = 24293280.

The previous prime is 36481279. The next prime is 36481283. The reversal of 36481281 is 18218463.

It is an interprime number because it is at equal distance from previous prime (36481279) and next prime (36481283).

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

It is not a de Polignac number, because 36481281 - 2¹ = 36481279 is a prime.

It is a super-2 number, since 2×36481281² = 2661767726801922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36481283) 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, 3580 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (6087108).

Almost surely, 2^36481281 is an apocalyptic number.

It is an amenable number.

36481281 is a deficient number, since it is larger than the sum of its proper divisors (12215583).

36481281 is a wasteful number, since it uses less digits than its factorization.

36481281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13791.

The product of its digits is 9216, while the sum is 33.

The square root of 36481281 is about 6039.9735926575. The cubic root of 36481281 is about 331.6576556505.

The spelling of 36481281 in words is "thirty-six million, four hundred eighty-one thousand, two hundred eighty-one".