424355081 has 4 divisors (see below), whose sum is σ = 431547600. Its totient is φ = 417162564.

The previous prime is 424355077. The next prime is 424355093. The reversal of 424355081 is 180553424.

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 424355081 - 2² = 424355077 is a prime.

It is a super-2 number, since 2×424355081² = 360154469541033122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424355011) 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, 3596171 + ... + 3596288.

It is an arithmetic number, because the mean of its divisors is an integer number (107886900).

Almost surely, 2^424355081 is an apocalyptic number.

It is an amenable number.

424355081 is a deficient number, since it is larger than the sum of its proper divisors (7192519).

424355081 is an equidigital number, since it uses as much as digits as its factorization.

424355081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192518.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 424355081 is about 20599.8806064501. The cubic root of 424355081 is about 751.4668070622.

The spelling of 424355081 in words is "four hundred twenty-four million, three hundred fifty-five thousand, eighty-one".