445475413 has 2 divisors, whose sum is σ = 445475414. Its totient is φ = 445475412.

The previous prime is 445475383. The next prime is 445475417. The reversal of 445475413 is 314574544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367028964 + 78446449 = 19158^2 + 8857^2 .

It is a cyclic number.

It is not a de Polignac number, because 445475413 - 2²¹ = 443378261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445475417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222737706 + 222737707.

It is an arithmetic number, because the mean of its divisors is an integer number (222737707).

Almost surely, 2^445475413 is an apocalyptic number.

It is an amenable number.

445475413 is a deficient number, since it is larger than the sum of its proper divisors (1).

445475413 is an equidigital number, since it uses as much as digits as its factorization.

445475413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 37.

The square root of 445475413 is about 21106.2884705009. The cubic root of 445475413 is about 763.7324548834.

The spelling of 445475413 in words is "four hundred forty-five million, four hundred seventy-five thousand, four hundred thirteen".