36205481 has 4 divisors (see below), whose sum is σ = 38990532. Its totient is φ = 33420432.

The previous prime is 36205471. The next prime is 36205487. The reversal of 36205481 is 18450263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18450263 = 13 ⋅1419251.

It can be written as a sum of positive squares in 2 ways, for example, as 5856400 + 30349081 = 2420^2 + 5509^2 .

It is a cyclic number.

It is not a de Polignac number, because 36205481 - 2¹⁸ = 35943337 is a prime.

It is a super-2 number, since 2×36205481² = 2621673708882722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36205487) 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, 1392506 + ... + 1392531.

It is an arithmetic number, because the mean of its divisors is an integer number (9747633).

Almost surely, 2^36205481 is an apocalyptic number.

It is an amenable number.

36205481 is a deficient number, since it is larger than the sum of its proper divisors (2785051).

36205481 is a wasteful number, since it uses less digits than its factorization.

36205481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785050.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 36205481 is about 6017.0990518688. The cubic root of 36205481 is about 330.8197586925.

The spelling of 36205481 in words is "thirty-six million, two hundred five thousand, four hundred eighty-one".