605393031 has 4 divisors (see below), whose sum is σ = 807190712. Its totient is φ = 403595352.

The previous prime is 605392993. The next prime is 605393057. The reversal of 605393031 is 130393506.

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

It is not a de Polignac number, because 605393031 - 2⁹ = 605392519 is a prime.

It is a super-2 number, since 2×605393031² = 733001443966733922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 605393031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605393071) 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, 100898836 + ... + 100898841.

It is an arithmetic number, because the mean of its divisors is an integer number (201797678).

Almost surely, 2^605393031 is an apocalyptic number.

605393031 is a deficient number, since it is larger than the sum of its proper divisors (201797681).

605393031 is a wasteful number, since it uses less digits than its factorization.

605393031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201797680.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 605393031 is about 24604.7359465612. The cubic root of 605393031 is about 845.9521640765.

The spelling of 605393031 in words is "six hundred five million, three hundred ninety-three thousand, thirty-one".