1604056241 has 4 divisors (see below), whose sum is σ = 1605290484. Its totient is φ = 1602822000.

The previous prime is 1604056231. The next prime is 1604056261. The reversal of 1604056241 is 1426504061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1426504061 = 32803 ⋅43487.

It can be written as a sum of positive squares in 2 ways, for example, as 791578225 + 812478016 = 28135^2 + 28504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1604056241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1604056231) 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, 615170 + ... + 617771.

It is an arithmetic number, because the mean of its divisors is an integer number (401322621).

Almost surely, 2^1604056241 is an apocalyptic number.

It is an amenable number.

1604056241 is a deficient number, since it is larger than the sum of its proper divisors (1234243).

1604056241 is a wasteful number, since it uses less digits than its factorization.

1604056241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234242.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1604056241 is about 40050.6709182256. The cubic root of 1604056241 is about 1170.5946379511.

The spelling of 1604056241 in words is "one billion, six hundred four million, fifty-six thousand, two hundred forty-one".