1001545133 has 2 divisors, whose sum is σ = 1001545134. Its totient is φ = 1001545132.

The previous prime is 1001545109. The next prime is 1001545151. The reversal of 1001545133 is 3315451001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740819524 + 260725609 = 27218^2 + 16147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001545133 - 2²⁸ = 733109677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001545099 and 1001545108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001545163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500772566 + 500772567.

It is an arithmetic number, because the mean of its divisors is an integer number (500772567).

Almost surely, 2^1001545133 is an apocalyptic number.

It is an amenable number.

1001545133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001545133 is an equidigital number, since it uses as much as digits as its factorization.

1001545133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1001545133 is about 31647.1978696377. The cubic root of 1001545133 is about 1000.5147792901.

Adding to 1001545133 its reverse (3315451001), we get a palindrome (4316996134).

The spelling of 1001545133 in words is "one billion, one million, five hundred forty-five thousand, one hundred thirty-three".