7565225657 has 8 divisors (see below), whose sum is σ = 8254411680. Its totient is φ = 6876279360.

The previous prime is 7565225639. The next prime is 7565225663.

7565225657 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7565225657 - 2¹⁰ = 7565224633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7565225677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9569 + ... + 123377.

It is an arithmetic number, because the mean of its divisors is an integer number (1031801460).

Almost surely, 2^7565225657 is an apocalyptic number.

It is an amenable number.

7565225657 is a deficient number, since it is larger than the sum of its proper divisors (689186023).

7565225657 is a wasteful number, since it uses less digits than its factorization.

7565225657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119863.

The product of its digits is 4410000, while the sum is 50.

The square root of 7565225657 is about 86978.3056687126. The cubic root of 7565225657 is about 1963.0918901766.

The spelling of 7565225657 in words is "seven billion, five hundred sixty-five million, two hundred twenty-five thousand, six hundred fifty-seven".