415401449 has 2 divisors, whose sum is σ = 415401450. Its totient is φ = 415401448.

The previous prime is 415401431. The next prime is 415401451. The reversal of 415401449 is 944104514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395214400 + 20187049 = 19880^2 + 4493^2 .

It is a cyclic number.

It is not a de Polignac number, because 415401449 - 2²⁸ = 146965993 is a prime.

It is a Sophie Germain prime.

Together with 415401451, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (415401419) 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, 207700724 + 207700725.

It is an arithmetic number, because the mean of its divisors is an integer number (207700725).

Almost surely, 2^415401449 is an apocalyptic number.

It is an amenable number.

415401449 is a deficient number, since it is larger than the sum of its proper divisors (1).

415401449 is an equidigital number, since it uses as much as digits as its factorization.

415401449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 415401449 is about 20381.3995839344. The cubic root of 415401449 is about 746.1440309412.

The spelling of 415401449 in words is "four hundred fifteen million, four hundred one thousand, four hundred forty-nine".