5206402761 has 8 divisors (see below), whose sum is σ = 7933566144. Its totient is φ = 2975087280.

The previous prime is 5206402717. The next prime is 5206402777. The reversal of 5206402761 is 1672046025.

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

It is not a de Polignac number, because 5206402761 - 2¹⁰ = 5206401737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5206402661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123961950 + ... + 123961991.

It is an arithmetic number, because the mean of its divisors is an integer number (991695768).

Almost surely, 2^5206402761 is an apocalyptic number.

It is an amenable number.

5206402761 is a deficient number, since it is larger than the sum of its proper divisors (2727163383).

5206402761 is a wasteful number, since it uses less digits than its factorization.

5206402761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247923951.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 5206402761 is about 72155.4070115331. The cubic root of 5206402761 is about 1733.1889859537.

Adding to 5206402761 its reverse (1672046025), we get a palindrome (6878448786).

The spelling of 5206402761 in words is "five billion, two hundred six million, four hundred two thousand, seven hundred sixty-one".