413400865 has 4 divisors (see below), whose sum is σ = 496081044. Its totient is φ = 330720688.

The previous prime is 413400863. The next prime is 413400877. The reversal of 413400865 is 568004314.

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: 568004314 = 2 ⋅284002157.

It can be written as a sum of positive squares in 2 ways, for example, as 285981921 + 127418944 = 16911^2 + 11288^2 .

It is a cyclic number.

It is not a de Polignac number, because 413400865 - 2¹ = 413400863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (413400863) 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, 41340082 + ... + 41340091.

It is an arithmetic number, because the mean of its divisors is an integer number (124020261).

Almost surely, 2^413400865 is an apocalyptic number.

It is an amenable number.

413400865 is a deficient number, since it is larger than the sum of its proper divisors (82680179).

413400865 is an equidigital number, since it uses as much as digits as its factorization.

413400865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82680178.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 413400865 is about 20332.2616794099. The cubic root of 413400865 is about 744.9442866314.

The spelling of 413400865 in words is "four hundred thirteen million, four hundred thousand, eight hundred sixty-five".