1604125001 has 2 divisors, whose sum is σ = 1604125002. Its totient is φ = 1604125000.

The previous prime is 1604124971. The next prime is 1604125037. The reversal of 1604125001 is 1005214061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1550469376 + 53655625 = 39376^2 + 7325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1604125001 - 2¹⁰ = 1604123977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1604125091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802062500 + 802062501.

It is an arithmetic number, because the mean of its divisors is an integer number (802062501).

Almost surely, 2^1604125001 is an apocalyptic number.

It is an amenable number.

1604125001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604125001 is an equidigital number, since it uses as much as digits as its factorization.

1604125001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1604125001 is about 40051.5293216127. The cubic root of 1604125001 is about 1170.6113640764.

Adding to 1604125001 its reverse (1005214061), we get a palindrome (2609339062).

The spelling of 1604125001 in words is "one billion, six hundred four million, one hundred twenty-five thousand, one".