7501012865 has 4 divisors (see below), whose sum is σ = 9001215444. Its totient is φ = 6000810288.

The previous prime is 7501012861. The next prime is 7501012889. The reversal of 7501012865 is 5682101057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5682101057 = 347 ⋅16374931.

It can be written as a sum of positive squares in 2 ways, for example, as 1947633424 + 5553379441 = 44132^2 + 74521^2 .

It is a cyclic number.

It is not a de Polignac number, because 7501012865 - 2² = 7501012861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7501012861) 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, 750101282 + ... + 750101291.

It is an arithmetic number, because the mean of its divisors is an integer number (2250303861).

Almost surely, 2^7501012865 is an apocalyptic number.

It is an amenable number.

7501012865 is a deficient number, since it is larger than the sum of its proper divisors (1500202579).

7501012865 is a wasteful number, since it uses less digits than its factorization.

7501012865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500202578.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 7501012865 is about 86608.3879598275. The cubic root of 7501012865 is about 1957.5219328939.

The spelling of 7501012865 in words is "seven billion, five hundred one million, twelve thousand, eight hundred sixty-five".