7925011001 has 2 divisors, whose sum is σ = 7925011002. Its totient is φ = 7925011000.

The previous prime is 7925010997. The next prime is 7925011009. The reversal of 7925011001 is 1001105297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7409766400 + 515244601 = 86080^2 + 22699^2 .

It is an emirp because it is prime and its reverse (1001105297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7925011001 - 2² = 7925010997 is a prime.

It is not a weakly prime, because it can be changed into another prime (7925011009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3962505500 + 3962505501.

It is an arithmetic number, because the mean of its divisors is an integer number (3962505501).

Almost surely, 2^7925011001 is an apocalyptic number.

It is an amenable number.

7925011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7925011001 is an equidigital number, since it uses as much as digits as its factorization.

7925011001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 7925011001 is about 89022.5308615746. The cubic root of 7925011001 is about 1993.7312889090.

Adding to 7925011001 its reverse (1001105297), we get a palindrome (8926116298).

The spelling of 7925011001 in words is "seven billion, nine hundred twenty-five million, eleven thousand, one".