424185085 has 4 divisors (see below), whose sum is σ = 509022108. Its totient is φ = 339348064.

The previous prime is 424185079. The next prime is 424185103. The reversal of 424185085 is 580581424.

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 45454564 + 378730521 = 6742^2 + 19461^2 .

It is a cyclic number.

It is not a de Polignac number, because 424185085 - 2⁵ = 424185053 is a prime.

It is a Duffinian number.

It is a congruent 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, 42418504 + ... + 42418513.

It is an arithmetic number, because the mean of its divisors is an integer number (127255527).

Almost surely, 2^424185085 is an apocalyptic number.

It is an amenable number.

424185085 is a deficient number, since it is larger than the sum of its proper divisors (84837023).

424185085 is an equidigital number, since it uses as much as digits as its factorization.

424185085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84837022.

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 424185085 is about 20595.7540527168. The cubic root of 424185085 is about 751.3664481732.

The spelling of 424185085 in words is "four hundred twenty-four million, one hundred eighty-five thousand, eighty-five".