213527236 has 12 divisors (see below), whose sum is σ = 402416812. Its totient is φ = 98551008.

The previous prime is 213527233. The next prime is 213527243. The reversal of 213527236 is 632725312.

It can be written as a sum of positive squares in 2 ways, for example, as 25563136 + 187964100 = 5056^2 + 13710^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 213527198 and 213527207.

It is not an unprimeable number, because it can be changed into a prime (213527233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053095 + ... + 2053198.

Almost surely, 2^213527236 is an apocalyptic number.

213527236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

213527236 is a deficient number, since it is larger than the sum of its proper divisors (188889576).

213527236 is a wasteful number, since it uses less digits than its factorization.

213527236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106310 (or 4106308 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 213527236 is about 14612.5711632142. The cubic root of 213527236 is about 597.7016106229.

The spelling of 213527236 in words is "two hundred thirteen million, five hundred twenty-seven thousand, two hundred thirty-six".