36021441 has 4 divisors (see below), whose sum is σ = 48028592. Its totient is φ = 24014292.

The previous prime is 36021437. The next prime is 36021449. The reversal of 36021441 is 14412063.

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: 14412063 = 3 ⋅4804021.

It is not a de Polignac number, because 36021441 - 2² = 36021437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36021449) 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, 6003571 + ... + 6003576.

It is an arithmetic number, because the mean of its divisors is an integer number (12007148).

Almost surely, 2^36021441 is an apocalyptic number.

It is an amenable number.

36021441 is a deficient number, since it is larger than the sum of its proper divisors (12007151).

36021441 is a wasteful number, since it uses less digits than its factorization.

36021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007150.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 36021441 is about 6001.7864840396. The cubic root of 36021441 is about 330.2582643077.

The spelling of 36021441 in words is "thirty-six million, twenty-one thousand, four hundred forty-one".