7530525865 has 8 divisors (see below), whose sum is σ = 9037107648. Its totient is φ = 6024102960.

The previous prime is 7530525851. The next prime is 7530525869. The reversal of 7530525865 is 5685250357.

It is a happy number.

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

It is not a de Polignac number, because 7530525865 - 2²³ = 7522137257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7530525869) 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, 132274 + ... + 180436.

It is an arithmetic number, because the mean of its divisors is an integer number (1129638456).

Almost surely, 2^7530525865 is an apocalyptic number.

It is an amenable number.

7530525865 is a deficient number, since it is larger than the sum of its proper divisors (1506581783).

7530525865 is a wasteful number, since it uses less digits than its factorization.

7530525865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79439.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The square root of 7530525865 is about 86778.6025757502. The cubic root of 7530525865 is about 1960.0858862302.

The spelling of 7530525865 in words is "seven billion, five hundred thirty million, five hundred twenty-five thousand, eight hundred sixty-five".