36641243 has 4 divisors (see below), whose sum is σ = 36831288. Its totient is φ = 36451200.

The previous prime is 36641237. The next prime is 36641279. The reversal of 36641243 is 34214663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36641243 - 2¹² = 36637147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36641233) 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, 94733 + ... + 95118.

It is an arithmetic number, because the mean of its divisors is an integer number (9207822).

Almost surely, 2^36641243 is an apocalyptic number.

36641243 is a deficient number, since it is larger than the sum of its proper divisors (190045).

36641243 is a wasteful number, since it uses less digits than its factorization.

36641243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190044.

The product of its digits is 10368, while the sum is 29.

The square root of 36641243 is about 6053.2010539879. The cubic root of 36641243 is about 332.1416963021.

The spelling of 36641243 in words is "thirty-six million, six hundred forty-one thousand, two hundred forty-three".