249914453 has 2 divisors, whose sum is σ = 249914454. Its totient is φ = 249914452.

The previous prime is 249914449. The next prime is 249914459. The reversal of 249914453 is 354419942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144913444 + 105001009 = 12038^2 + 10247^2 .

It is a cyclic number.

It is not a de Polignac number, because 249914453 - 2² = 249914449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249914453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249914459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124957226 + 124957227.

It is an arithmetic number, because the mean of its divisors is an integer number (124957227).

Almost surely, 2^249914453 is an apocalyptic number.

It is an amenable number.

249914453 is a deficient number, since it is larger than the sum of its proper divisors (1).

249914453 is an equidigital number, since it uses as much as digits as its factorization.

249914453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 249914453 is about 15808.6828357077. The cubic root of 249914453 is about 629.8886617725. Note that the first 3 decimals are identical.

The spelling of 249914453 in words is "two hundred forty-nine million, nine hundred fourteen thousand, four hundred fifty-three".