212737249 has 2 divisors, whose sum is σ = 212737250. Its totient is φ = 212737248.

The previous prime is 212737247. The next prime is 212737271. The reversal of 212737249 is 942737212.

212737249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106750224 + 105987025 = 10332^2 + 10295^2 .

It is a cyclic number.

It is not a de Polignac number, because 212737249 - 2¹ = 212737247 is a prime.

It is a super-2 number, since 2×212737249² = 90514274224176002, which contains 22 as substring.

Together with 212737247, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212737241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106368624 + 106368625.

It is an arithmetic number, because the mean of its divisors is an integer number (106368625).

Almost surely, 2^212737249 is an apocalyptic number.

It is an amenable number.

212737249 is a deficient number, since it is larger than the sum of its proper divisors (1).

212737249 is an equidigital number, since it uses as much as digits as its factorization.

212737249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 212737249 is about 14585.5150406148. The cubic root of 212737249 is about 596.9635939106.

Subtracting from 212737249 its sum of digits (37), we obtain a palindrome (212737212).

The spelling of 212737249 in words is "two hundred twelve million, seven hundred thirty-seven thousand, two hundred forty-nine".