424578065 has 4 divisors (see below), whose sum is σ = 509493684. Its totient is φ = 339662448.

The previous prime is 424578053. The next prime is 424578107. The reversal of 424578065 is 560875424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 182682256 + 241895809 = 13516^2 + 15553^2 .

It is a cyclic number.

It is not a de Polignac number, because 424578065 - 2⁸ = 424577809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42457802 + ... + 42457811.

It is an arithmetic number, because the mean of its divisors is an integer number (127373421).

Almost surely, 2^424578065 is an apocalyptic number.

It is an amenable number.

424578065 is a deficient number, since it is larger than the sum of its proper divisors (84915619).

424578065 is an equidigital number, since it uses as much as digits as its factorization.

424578065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84915618.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 424578065 is about 20605.2921600253. The cubic root of 424578065 is about 751.5984073349.

The spelling of 424578065 in words is "four hundred twenty-four million, five hundred seventy-eight thousand, sixty-five".