606174421 has 4 divisors (see below), whose sum is σ = 607733100. Its totient is φ = 604615744.

The previous prime is 606174391. The next prime is 606174451. The reversal of 606174421 is 124471606.

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

It is an interprime number because it is at equal distance from previous prime (606174391) and next prime (606174451).

It can be written as a sum of positive squares in 2 ways, for example, as 171243396 + 434931025 = 13086^2 + 20855^2 .

It is a cyclic number.

It is not a de Polignac number, because 606174421 - 2¹¹ = 606172373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606174451) 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, 778756 + ... + 779533.

It is an arithmetic number, because the mean of its divisors is an integer number (151933275).

Almost surely, 2^606174421 is an apocalyptic number.

It is an amenable number.

606174421 is a deficient number, since it is larger than the sum of its proper divisors (1558679).

606174421 is a wasteful number, since it uses less digits than its factorization.

606174421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558678.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 606174421 is about 24620.6096796972. The cubic root of 606174421 is about 846.3159687102.

The spelling of 606174421 in words is "six hundred six million, one hundred seventy-four thousand, four hundred twenty-one".