5105240261 has 8 divisors (see below), whose sum is σ = 5585134464. Its totient is φ = 4627976320.

The previous prime is 5105240237. The next prime is 5105240263. The reversal of 5105240261 is 1620425015.

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

It is not a de Polignac number, because 5105240261 - 2⁶ = 5105240197 is a prime.

It is a Duffinian number.

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 5105240261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105240263) 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, 653501 + ... + 661266.

It is an arithmetic number, because the mean of its divisors is an integer number (698141808).

Almost surely, 2^5105240261 is an apocalyptic number.

It is an amenable number.

5105240261 is a deficient number, since it is larger than the sum of its proper divisors (479894203).

5105240261 is a wasteful number, since it uses less digits than its factorization.

5105240261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315131.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5105240261 is about 71450.9640312851. The cubic root of 5105240261 is about 1721.8899656215.

Adding to 5105240261 its reverse (1620425015), we get a palindrome (6725665276).

The spelling of 5105240261 in words is "five billion, one hundred five million, two hundred forty thousand, two hundred sixty-one".