1604534201 has 2 divisors, whose sum is σ = 1604534202. Its totient is φ = 1604534200.

The previous prime is 1604534153. The next prime is 1604534203. The reversal of 1604534201 is 1024354061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1541347600 + 63186601 = 39260^2 + 7949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1604534201 is a prime.

Together with 1604534203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1604534203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802267100 + 802267101.

It is an arithmetic number, because the mean of its divisors is an integer number (802267101).

Almost surely, 2^1604534201 is an apocalyptic number.

It is an amenable number.

1604534201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604534201 is an equidigital number, since it uses as much as digits as its factorization.

1604534201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1604534201 is about 40056.6374150402. The cubic root of 1604534201 is about 1170.7108936112.

Adding to 1604534201 its reverse (1024354061), we get a palindrome (2628888262).

The spelling of 1604534201 in words is "one billion, six hundred four million, five hundred thirty-four thousand, two hundred one".