604457405 has 4 divisors (see below), whose sum is σ = 725348892. Its totient is φ = 483565920.

The previous prime is 604457401. The next prime is 604457417. The reversal of 604457405 is 504754406.

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

It can be written as a sum of positive squares in 2 ways, for example, as 182196004 + 422261401 = 13498^2 + 20549^2 .

It is not a de Polignac number, because 604457405 - 2² = 604457401 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 (604457401) 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, 60445736 + ... + 60445745.

It is an arithmetic number, because the mean of its divisors is an integer number (181337223).

Almost surely, 2^604457405 is an apocalyptic number.

It is an amenable number.

604457405 is a deficient number, since it is larger than the sum of its proper divisors (120891487).

604457405 is a wasteful number, since it uses less digits than its factorization.

604457405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120891486.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 604457405 is about 24585.7154665062. The cubic root of 604457405 is about 845.5161371776.

The spelling of 604457405 in words is "six hundred four million, four hundred fifty-seven thousand, four hundred five".