411402505 has 8 divisors (see below), whose sum is σ = 495262152. Its totient is φ = 328069248.

The previous prime is 411402473. The next prime is 411402521. The reversal of 411402505 is 505204114.

It can be written as a sum of positive squares in 4 ways, for example, as 47775744 + 363626761 = 6912^2 + 19069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 411402505 - 2⁵ = 411402473 is a prime.

It is a super-2 number, since 2×411402505² = 338504042240550050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129874 + ... + 133003.

It is an arithmetic number, because the mean of its divisors is an integer number (61907769).

Almost surely, 2^411402505 is an apocalyptic number.

It is an amenable number.

411402505 is a deficient number, since it is larger than the sum of its proper divisors (83859647).

411402505 is a wasteful number, since it uses less digits than its factorization.

411402505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263195.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 411402505 is about 20283.0595571773. The cubic root of 411402505 is about 743.7420056105.

Adding to 411402505 its reverse (505204114), we get a palindrome (916606619).

The spelling of 411402505 in words is "four hundred eleven million, four hundred two thousand, five hundred five".