7425545717 has 4 divisors (see below), whose sum is σ = 7432242540. Its totient is φ = 7418848896.

The previous prime is 7425545693. The next prime is 7425545779. The reversal of 7425545717 is 7175455247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7175455247 = 8191 ⋅876017.

It can be written as a sum of positive squares in 2 ways, for example, as 1574978596 + 5850567121 = 39686^2 + 76489^2 .

It is a cyclic number.

It is not a de Polignac number, because 7425545717 - 2¹² = 7425541621 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 (7425545317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346748 + ... + 3348965.

It is an arithmetic number, because the mean of its divisors is an integer number (1858060635).

Almost surely, 2^7425545717 is an apocalyptic number.

It is an amenable number.

7425545717 is a deficient number, since it is larger than the sum of its proper divisors (6696823).

7425545717 is a wasteful number, since it uses less digits than its factorization.

7425545717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696822.

The product of its digits is 1372000, while the sum is 47.

The square root of 7425545717 is about 86171.6062110948. The cubic root of 7425545717 is about 1950.9349640464.

The spelling of 7425545717 in words is "seven billion, four hundred twenty-five million, five hundred forty-five thousand, seven hundred seventeen".