604609031 has 4 divisors (see below), whose sum is σ = 651117432. Its totient is φ = 558100632.

The previous prime is 604609009. The next prime is 604609037. The reversal of 604609031 is 130906406.

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

It is a cyclic number.

It is not a de Polignac number, because 604609031 - 2¹⁰ = 604608007 is a prime.

It is a super-2 number, since 2×604609031² = 731104160733517922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 604608985 and 604609003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604609037) 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, 23254181 + ... + 23254206.

It is an arithmetic number, because the mean of its divisors is an integer number (162779358).

Almost surely, 2^604609031 is an apocalyptic number.

604609031 is a deficient number, since it is larger than the sum of its proper divisors (46508401).

604609031 is a wasteful number, since it uses less digits than its factorization.

604609031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46508400.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 604609031 is about 24588.7988929919. The cubic root of 604609031 is about 845.5868295101.

The spelling of 604609031 in words is "six hundred four million, six hundred nine thousand, thirty-one".