413278505 has 4 divisors (see below), whose sum is σ = 495934212. Its totient is φ = 330622800.

The previous prime is 413278501. The next prime is 413278511. The reversal of 413278505 is 505872314.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505872314 = 2 ⋅252936157.

It can be written as a sum of positive squares in 2 ways, for example, as 87403801 + 325874704 = 9349^2 + 18052^2 .

It is not a de Polignac number, because 413278505 - 2² = 413278501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (413278501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41327846 + ... + 41327855.

It is an arithmetic number, because the mean of its divisors is an integer number (123983553).

Almost surely, 2^413278505 is an apocalyptic number.

It is an amenable number.

413278505 is a deficient number, since it is larger than the sum of its proper divisors (82655707).

413278505 is an equidigital number, since it uses as much as digits as its factorization.

413278505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82655706.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 413278505 is about 20329.2524456754. The cubic root of 413278505 is about 744.8707822073.

The spelling of 413278505 in words is "four hundred thirteen million, two hundred seventy-eight thousand, five hundred five".