5265197645 has 4 divisors (see below), whose sum is σ = 6318237180. Its totient is φ = 4212158112.

The previous prime is 5265197627. The next prime is 5265197671. The reversal of 5265197645 is 5467915625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3818992804 + 1446204841 = 61798^2 + 38029^2 .

It is a cyclic number.

It is not a de Polignac number, because 5265197645 - 2¹⁰ = 5265196621 is a prime.

It is a super-3 number, since 3×5265197645³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5265197593 and 5265197602.

It is a congruent number.

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, 526519760 + ... + 526519769.

It is an arithmetic number, because the mean of its divisors is an integer number (1579559295).

Almost surely, 2^5265197645 is an apocalyptic number.

It is an amenable number.

5265197645 is a deficient number, since it is larger than the sum of its proper divisors (1053039535).

5265197645 is a wasteful number, since it uses less digits than its factorization.

5265197645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053039534.

The product of its digits is 2268000, while the sum is 50.

The square root of 5265197645 is about 72561.6816577455. The cubic root of 5265197645 is about 1739.6887677139.

The spelling of 5265197645 in words is "five billion, two hundred sixty-five million, one hundred ninety-seven thousand, six hundred forty-five".