424805161 has 4 divisors (see below), whose sum is σ = 463423824. Its totient is φ = 386186500.

The previous prime is 424805131. The next prime is 424805167. The reversal of 424805161 is 161508424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424805161 - 2¹⁵ = 424772393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424805167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19309315 + ... + 19309336.

It is an arithmetic number, because the mean of its divisors is an integer number (115855956).

Almost surely, 2^424805161 is an apocalyptic number.

It is an amenable number.

424805161 is a deficient number, since it is larger than the sum of its proper divisors (38618663).

424805161 is a wasteful number, since it uses less digits than its factorization.

424805161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38618662.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 424805161 is about 20610.8020464998. The cubic root of 424805161 is about 751.7323870694.

The spelling of 424805161 in words is "four hundred twenty-four million, eight hundred five thousand, one hundred sixty-one".