1825524401 has 2 divisors, whose sum is σ = 1825524402. Its totient is φ = 1825524400.

The previous prime is 1825524397. The next prime is 1825524409. The reversal of 1825524401 is 1044255281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1161173776 + 664350625 = 34076^2 + 25775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1825524401 - 2² = 1825524397 is a prime.

It is not a weakly prime, because it can be changed into another prime (1825524409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912762200 + 912762201.

It is an arithmetic number, because the mean of its divisors is an integer number (912762201).

Almost surely, 2^1825524401 is an apocalyptic number.

It is an amenable number.

1825524401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825524401 is an equidigital number, since it uses as much as digits as its factorization.

1825524401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 1825524401 is about 42726.1559352114. The cubic root of 1825524401 is about 1222.1632320256.

Adding to 1825524401 its reverse (1044255281), we get a palindrome (2869779682).

The spelling of 1825524401 in words is "one billion, eight hundred twenty-five million, five hundred twenty-four thousand, four hundred one".