5239620101 has 4 divisors (see below), whose sum is σ = 5515389600. Its totient is φ = 4963850604.

The previous prime is 5239620091. The next prime is 5239620103. The reversal of 5239620101 is 1010269325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5239620101 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 (5239620103) 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, 137884721 + ... + 137884758.

It is an arithmetic number, because the mean of its divisors is an integer number (1378847400).

Almost surely, 2^5239620101 is an apocalyptic number.

It is an amenable number.

5239620101 is a deficient number, since it is larger than the sum of its proper divisors (275769499).

5239620101 is a wasteful number, since it uses less digits than its factorization.

5239620101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275769498.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 5239620101 is about 72385.2201834048. The cubic root of 5239620101 is about 1736.8671443357.

Adding to 5239620101 its reverse (1010269325), we get a palindrome (6249889426).

The spelling of 5239620101 in words is "five billion, two hundred thirty-nine million, six hundred twenty thousand, one hundred one".