19536001 has 2 divisors, whose sum is σ = 19536002. Its totient is φ = 19536000.

The previous prime is 19535987. The next prime is 19536007. The reversal of 19536001 is 10063591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17631601 + 1904400 = 4199^2 + 1380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19536001 is a prime.

It is equal to p_1242970 and since 19536001 and 1242970 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (19536007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9768000 + 9768001.

It is an arithmetic number, because the mean of its divisors is an integer number (9768001).

Almost surely, 2^19536001 is an apocalyptic number.

It is an amenable number.

19536001 is a deficient number, since it is larger than the sum of its proper divisors (1).

19536001 is an equidigital number, since it uses as much as digits as its factorization.

19536001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 19536001 is about 4419.9548640229. The cubic root of 19536001 is about 269.3261706847.

Adding to 19536001 its reverse (10063591), we get a palindrome (29599592).

The spelling of 19536001 in words is "nineteen million, five hundred thirty-six thousand, one".