36544881 has 4 divisors (see below), whose sum is σ = 48726512. Its totient is φ = 24363252.

The previous prime is 36544873. The next prime is 36544891. The reversal of 36544881 is 18844563.

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.

It is not a de Polignac number, because 36544881 - 2³ = 36544873 is a prime.

It is a super-2 number, since 2×36544881² = 2671056654608322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36544801) 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, 6090811 + ... + 6090816.

It is an arithmetic number, because the mean of its divisors is an integer number (12181628).

Almost surely, 2^36544881 is an apocalyptic number.

It is an amenable number.

36544881 is a deficient number, since it is larger than the sum of its proper divisors (12181631).

36544881 is a wasteful number, since it uses less digits than its factorization.

36544881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12181630.

The product of its digits is 92160, while the sum is 39.

The square root of 36544881 is about 6045.2362236723. The cubic root of 36544881 is about 331.8502766365.

It can be divided in two parts, 36 and 544881, that multiplied together give a triangular number (19615716 = T₆₂₆₃).

The spelling of 36544881 in words is "thirty-six million, five hundred forty-four thousand, eight hundred eighty-one".