1001325547 has 2 divisors, whose sum is σ = 1001325548. Its totient is φ = 1001325546.

The previous prime is 1001325509. The next prime is 1001325569. The reversal of 1001325547 is 7455231001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001325547 - 2⁷ = 1001325419 is a prime.

It is a super-3 number, since 3×1001325547³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1001320547) 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, 500662773 + 500662774.

It is an arithmetic number, because the mean of its divisors is an integer number (500662774).

Almost surely, 2^1001325547 is an apocalyptic number.

1001325547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001325547 is an equidigital number, since it uses as much as digits as its factorization.

1001325547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1001325547 is about 31643.7283991631. The cubic root of 1001325547 is about 1000.4416539131.

Adding to 1001325547 its reverse (7455231001), we get a palindrome (8456556548).

The spelling of 1001325547 in words is "one billion, one million, three hundred twenty-five thousand, five hundred forty-seven".