7245028565 has 8 divisors (see below), whose sum is σ = 8694508248. Its totient is φ = 5795706880.

The previous prime is 7245028523. The next prime is 7245028573. The reversal of 7245028565 is 5658205427.

It can be written as a sum of positive squares in 4 ways, for example, as 615486481 + 6629542084 = 24809^2 + 81422^2 .

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

It is not a de Polignac number, because 7245028565 - 2²⁰ = 7243979989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119789 + ... + 169821.

It is an arithmetic number, because the mean of its divisors is an integer number (1086813531).

Almost surely, 2^7245028565 is an apocalyptic number.

It is an amenable number.

7245028565 is a deficient number, since it is larger than the sum of its proper divisors (1449479683).

7245028565 is a wasteful number, since it uses less digits than its factorization.

7245028565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78999.

The product of its (nonzero) digits is 672000, while the sum is 44.

The square root of 7245028565 is about 85117.7335518281. The cubic root of 7245028565 is about 1934.9958326845.

The spelling of 7245028565 in words is "seven billion, two hundred forty-five million, twenty-eight thousand, five hundred sixty-five".