36652281 has 4 divisors (see below), whose sum is σ = 48869712. Its totient is φ = 24434852.

The previous prime is 36652279. The next prime is 36652307. The reversal of 36652281 is 18225663.

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: 18225663 = 3 ⋅6075221.

It is a cyclic number.

It is not a de Polignac number, because 36652281 - 2¹ = 36652279 is a prime.

It is a super-2 number, since 2×36652281² = 2686779405005922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36652081) 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, 6108711 + ... + 6108716.

It is an arithmetic number, because the mean of its divisors is an integer number (12217428).

Almost surely, 2^36652281 is an apocalyptic number.

It is an amenable number.

36652281 is a deficient number, since it is larger than the sum of its proper divisors (12217431).

36652281 is a wasteful number, since it uses less digits than its factorization.

36652281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12217430.

The product of its digits is 17280, while the sum is 33.

The square root of 36652281 is about 6054.1127343319. The cubic root of 36652281 is about 332.1750449885.

The spelling of 36652281 in words is "thirty-six million, six hundred fifty-two thousand, two hundred eighty-one".