7725957133 has 2 divisors, whose sum is σ = 7725957134. Its totient is φ = 7725957132.

The previous prime is 7725957101. The next prime is 7725957191. The reversal of 7725957133 is 3317595277.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6613267684 + 1112689449 = 81322^2 + 33357^2 .

It is a cyclic number.

It is not a de Polignac number, because 7725957133 - 2⁵ = 7725957101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7725957433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3862978566 + 3862978567.

It is an arithmetic number, because the mean of its divisors is an integer number (3862978567).

Almost surely, 2^7725957133 is an apocalyptic number.

It is an amenable number.

7725957133 is a deficient number, since it is larger than the sum of its proper divisors (1).

7725957133 is an equidigital number, since it uses as much as digits as its factorization.

7725957133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1389150, while the sum is 49.

The square root of 7725957133 is about 87897.4239269843. The cubic root of 7725957133 is about 1976.8972535352.

The spelling of 7725957133 in words is "seven billion, seven hundred twenty-five million, nine hundred fifty-seven thousand, one hundred thirty-three".