5025264665 has 4 divisors (see below), whose sum is σ = 6030317604. Its totient is φ = 4020211728.

The previous prime is 5025264661. The next prime is 5025264679. The reversal of 5025264665 is 5664625205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5664625205 = 5 ⋅1132925041.

It can be written as a sum of positive squares in 2 ways, for example, as 3395043289 + 1630221376 = 58267^2 + 40376^2 .

It is a cyclic number.

It is not a de Polignac number, because 5025264665 - 2² = 5025264661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5025264661) 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, 502526462 + ... + 502526471.

It is an arithmetic number, because the mean of its divisors is an integer number (1507579401).

Almost surely, 2^5025264665 is an apocalyptic number.

It is an amenable number.

5025264665 is a deficient number, since it is larger than the sum of its proper divisors (1005052939).

5025264665 is a wasteful number, since it uses less digits than its factorization.

5025264665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005052938.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 5025264665 is about 70889.1011721830. The cubic root of 5025264665 is about 1712.8512405086.

The spelling of 5025264665 in words is "five billion, twenty-five million, two hundred sixty-four thousand, six hundred sixty-five".