5265517861 has 8 divisors (see below), whose sum is σ = 5551884800. Its totient is φ = 4980074400.

The previous prime is 5265517847. The next prime is 5265517877. The reversal of 5265517861 is 1687155625.

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

It is a cyclic number.

It is not a de Polignac number, because 5265517861 - 2⁹ = 5265517349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265517891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219141 + ... + 241978.

It is an arithmetic number, because the mean of its divisors is an integer number (693985600).

Almost surely, 2^5265517861 is an apocalyptic number.

It is an amenable number.

5265517861 is a deficient number, since it is larger than the sum of its proper divisors (286366939).

5265517861 is a wasteful number, since it uses less digits than its factorization.

5265517861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461739.

The product of its digits is 504000, while the sum is 46.

The square root of 5265517861 is about 72563.8881331479. Note that the first 3 decimals coincide. The cubic root of 5265517861 is about 1739.7240348222.

The spelling of 5265517861 in words is "five billion, two hundred sixty-five million, five hundred seventeen thousand, eight hundred sixty-one".