451249079 has 2 divisors, whose sum is σ = 451249080. Its totient is φ = 451249078.

The previous prime is 451249063. The next prime is 451249133. The reversal of 451249079 is 970942154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451249079 - 2⁴ = 451249063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451249039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225624539 + 225624540.

It is an arithmetic number, because the mean of its divisors is an integer number (225624540).

Almost surely, 2^451249079 is an apocalyptic number.

451249079 is a deficient number, since it is larger than the sum of its proper divisors (1).

451249079 is an equidigital number, since it uses as much as digits as its factorization.

451249079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 451249079 is about 21242.6241081463. The cubic root of 451249079 is about 767.0178003617.

The spelling of 451249079 in words is "four hundred fifty-one million, two hundred forty-nine thousand, seventy-nine".