1525101001 has 2 divisors, whose sum is σ = 1525101002. Its totient is φ = 1525101000.

The previous prime is 1525100999. The next prime is 1525101029. The reversal of 1525101001 is 1001015251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1228572601 + 296528400 = 35051^2 + 17220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1525101001 - 2¹ = 1525100999 is a prime.

Together with 1525100999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1525101031) 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, 762550500 + 762550501.

It is an arithmetic number, because the mean of its divisors is an integer number (762550501).

Almost surely, 2^1525101001 is an apocalyptic number.

It is an amenable number.

1525101001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525101001 is an equidigital number, since it uses as much as digits as its factorization.

1525101001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 1525101001 is about 39052.5415434130. The cubic root of 1525101001 is about 1151.0641695825.

Adding to 1525101001 its reverse (1001015251), we get a palindrome (2526116252).

The spelling of 1525101001 in words is "one billion, five hundred twenty-five million, one hundred one thousand, one".