36213512 has 8 divisors (see below), whose sum is σ = 67900350. Its totient is φ = 18106752.

The previous prime is 36213497. The next prime is 36213517. The reversal of 36213512 is 21531263.

It can be written as a sum of positive squares in only one way, i.e., 33477796 + 2735716 = 5786^2 + 1654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×36213512² = 2622836902748288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36213517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2263337 + ... + 2263352.

Almost surely, 2^36213512 is an apocalyptic number.

It is an amenable number.

36213512 is a deficient number, since it is larger than the sum of its proper divisors (31686838).

36213512 is a wasteful number, since it uses less digits than its factorization.

36213512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526695 (or 4526691 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 36213512 is about 6017.7663630287. The cubic root of 36213512 is about 330.8442173932.

Adding to 36213512 its reverse (21531263), we get a palindrome (57744775).

The spelling of 36213512 in words is "thirty-six million, two hundred thirteen thousand, five hundred twelve".