244552457 has 2 divisors, whose sum is σ = 244552458. Its totient is φ = 244552456.

The previous prime is 244552393. The next prime is 244552487. The reversal of 244552457 is 754255442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242767561 + 1784896 = 15581^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 244552457 - 2⁶ = 244552393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244552457.

It is not a weakly prime, because it can be changed into another prime (244552487) 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 as a sum of consecutive naturals, namely, 122276228 + 122276229.

It is an arithmetic number, because the mean of its divisors is an integer number (122276229).

Almost surely, 2^244552457 is an apocalyptic number.

It is an amenable number.

244552457 is a deficient number, since it is larger than the sum of its proper divisors (1).

244552457 is an equidigital number, since it uses as much as digits as its factorization.

244552457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224000, while the sum is 38.

The square root of 244552457 is about 15638.1730710464. The cubic root of 244552457 is about 625.3512325535.

The spelling of 244552457 in words is "two hundred forty-four million, five hundred fifty-two thousand, four hundred fifty-seven".