7256525773 has 4 divisors (see below), whose sum is σ = 8293172320. Its totient is φ = 6219879228.

The previous prime is 7256525693. The next prime is 7256525789. The reversal of 7256525773 is 3775256527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3775256527 = 7 ⋅539322361.

It is a cyclic number.

It is not a de Polignac number, because 7256525773 - 2¹⁷ = 7256394701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7256535773) 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 in 3 ways as a sum of consecutive naturals, for example, 518323263 + ... + 518323276.

It is an arithmetic number, because the mean of its divisors is an integer number (2073293080).

Almost surely, 2^7256525773 is an apocalyptic number.

It is an amenable number.

7256525773 is a deficient number, since it is larger than the sum of its proper divisors (1036646547).

7256525773 is a wasteful number, since it uses less digits than its factorization.

7256525773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036646546.

The product of its digits is 3087000, while the sum is 49.

The square root of 7256525773 is about 85185.2438688767. The cubic root of 7256525773 is about 1936.0188464523.

The spelling of 7256525773 in words is "seven billion, two hundred fifty-six million, five hundred twenty-five thousand, seven hundred seventy-three".