534278249 has 2 divisors, whose sum is σ = 534278250. Its totient is φ = 534278248.

The previous prime is 534278237. The next prime is 534278279. The reversal of 534278249 is 942872435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489294400 + 44983849 = 22120^2 + 6707^2 .

It is a cyclic number.

It is not a de Polignac number, because 534278249 - 2⁸ = 534277993 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (534278209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267139124 + 267139125.

It is an arithmetic number, because the mean of its divisors is an integer number (267139125).

Almost surely, 2^534278249 is an apocalyptic number.

It is an amenable number.

534278249 is a deficient number, since it is larger than the sum of its proper divisors (1).

534278249 is an equidigital number, since it uses as much as digits as its factorization.

534278249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The square root of 534278249 is about 23114.4597384408. The cubic root of 534278249 is about 811.4389141741.

The spelling of 534278249 in words is "five hundred thirty-four million, two hundred seventy-eight thousand, two hundred forty-nine".