7250797145 has 4 divisors (see below), whose sum is σ = 8700956580. Its totient is φ = 5800637712.

The previous prime is 7250797091. The next prime is 7250797163. The reversal of 7250797145 is 5417970527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5417970527 = 53 ⋅102225859.

It can be written as a sum of positive squares in 2 ways, for example, as 2361571216 + 4889225929 = 48596^2 + 69923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7250797145 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7250797145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725079710 + ... + 725079719.

It is an arithmetic number, because the mean of its divisors is an integer number (2175239145).

Almost surely, 2^7250797145 is an apocalyptic number.

It is an amenable number.

7250797145 is a deficient number, since it is larger than the sum of its proper divisors (1450159435).

7250797145 is a wasteful number, since it uses less digits than its factorization.

7250797145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450159434.

The product of its (nonzero) digits is 617400, while the sum is 47.

The square root of 7250797145 is about 85151.6126975878. The cubic root of 7250797145 is about 1935.5092521961.

The spelling of 7250797145 in words is "seven billion, two hundred fifty million, seven hundred ninety-seven thousand, one hundred forty-five".