249124229 has 2 divisors, whose sum is σ = 249124230. Its totient is φ = 249124228.

The previous prime is 249124223. The next prime is 249124231. The reversal of 249124229 is 922421942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201583204 + 47541025 = 14198^2 + 6895^2 .

It is a cyclic number.

It is not a de Polignac number, because 249124229 - 2¹² = 249120133 is a prime.

Together with 249124231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249124223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124562114 + 124562115.

It is an arithmetic number, because the mean of its divisors is an integer number (124562115).

Almost surely, 2^249124229 is an apocalyptic number.

It is an amenable number.

249124229 is a deficient number, since it is larger than the sum of its proper divisors (1).

249124229 is an equidigital number, since it uses as much as digits as its factorization.

249124229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 249124229 is about 15783.6696937056. The cubic root of 249124229 is about 629.2240627687.

The spelling of 249124229 in words is "two hundred forty-nine million, one hundred twenty-four thousand, two hundred twenty-nine".