1604512033 has 2 divisors, whose sum is σ = 1604512034. Its totient is φ = 1604512032.

The previous prime is 1604512027. The next prime is 1604512069. The reversal of 1604512033 is 3302154061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478556304 + 125955729 = 38452^2 + 11223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1604512033 - 2¹⁷ = 1604380961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1604511989 and 1604512007.

It is not a weakly prime, because it can be changed into another prime (1604512633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802256016 + 802256017.

It is an arithmetic number, because the mean of its divisors is an integer number (802256017).

Almost surely, 2^1604512033 is an apocalyptic number.

It is an amenable number.

1604512033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604512033 is an equidigital number, since it uses as much as digits as its factorization.

1604512033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1604512033 is about 40056.3607058854. The cubic root of 1604512033 is about 1170.7055021319.

Adding to 1604512033 its reverse (3302154061), we get a palindrome (4906666094).

The spelling of 1604512033 in words is "one billion, six hundred four million, five hundred twelve thousand, thirty-three".