451332449 has 2 divisors, whose sum is σ = 451332450. Its totient is φ = 451332448.

The previous prime is 451332437. The next prime is 451332461. The reversal of 451332449 is 944233154.

It is a balanced prime because it is at equal distance from previous prime (451332437) and next prime (451332461).

It can be written as a sum of positive squares in only one way, i.e., 296080849 + 155251600 = 17207^2 + 12460^2 .

It is a cyclic number.

It is not a de Polignac number, because 451332449 - 2⁴ = 451332433 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 (451332419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225666224 + 225666225.

It is an arithmetic number, because the mean of its divisors is an integer number (225666225).

Almost surely, 2^451332449 is an apocalyptic number.

It is an amenable number.

451332449 is a deficient number, since it is larger than the sum of its proper divisors (1).

451332449 is an equidigital number, since it uses as much as digits as its factorization.

451332449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 451332449 is about 21244.5863457023. The cubic root of 451332449 is about 767.0650339475.

The spelling of 451332449 in words is "four hundred fifty-one million, three hundred thirty-two thousand, four hundred forty-nine".