5105404521 has 36 divisors (see below), whose sum is σ = 9083097972. Its totient is φ = 2745759744.

The previous prime is 5105404463. The next prime is 5105404529. The reversal of 5105404521 is 1254045015.

It can be written as a sum of positive squares in 2 ways, for example, as 1625702400 + 3479702121 = 40320^2 + 58989^2 .

It is not a de Polignac number, because 5105404521 - 2¹¹ = 5105402473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5105404529) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 333000 + ... + 347993.

It is an arithmetic number, because the mean of its divisors is an integer number (252308277).

Almost surely, 2^5105404521 is an apocalyptic number.

5105404521 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5105404521 is a deficient number, since it is larger than the sum of its proper divisors (3977693451).

5105404521 is a wasteful number, since it uses less digits than its factorization.

5105404521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681030 (or 681020 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5105404521 is about 71452.1134816879. The cubic root of 5105404521 is about 1721.9084325690.

Adding to 5105404521 its reverse (1254045015), we get a palindrome (6359449536).

The spelling of 5105404521 in words is "five billion, one hundred five million, four hundred four thousand, five hundred twenty-one".