36252281 has 8 divisors (see below), whose sum is σ = 39480840. Its totient is φ = 33086592.

The previous prime is 36252257. The next prime is 36252289. The reversal of 36252281 is 18225263.

It can be written as a sum of positive squares in 4 ways, for example, as 5837056 + 30415225 = 2416^2 + 5515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36252281 - 2⁶ = 36252217 is a prime.

It is a super-2 number, since 2×36252281² = 2628455755405922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36252289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14510 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (4935105).

Almost surely, 2^36252281 is an apocalyptic number.

It is an amenable number.

36252281 is a deficient number, since it is larger than the sum of its proper divisors (3228559).

36252281 is a wasteful number, since it uses less digits than its factorization.

36252281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31435.

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

The square root of 36252281 is about 6020.9867131559. The cubic root of 36252281 is about 330.9622389480.

The spelling of 36252281 in words is "thirty-six million, two hundred fifty-two thousand, two hundred eighty-one".