5215400005 has 4 divisors (see below), whose sum is σ = 6258480012. Its totient is φ = 4172320000.

The previous prime is 5215399999. The next prime is 5215400011. The reversal of 5215400005 is 5000045125.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5215399999) and next prime (5215400011).

It can be written as a sum of positive squares in 2 ways, for example, as 3177238689 + 2038161316 = 56367^2 + 45146^2 .

It is not a de Polignac number, because 5215400005 - 2⁷ = 5215399877 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521539996 + ... + 521540005.

It is an arithmetic number, because the mean of its divisors is an integer number (1564620003).

Almost surely, 2^5215400005 is an apocalyptic number.

It is an amenable number.

5215400005 is a deficient number, since it is larger than the sum of its proper divisors (1043080007).

5215400005 is a wasteful number, since it uses less digits than its factorization.

5215400005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043080006.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 5215400005 is about 72217.7263904092. The cubic root of 5215400005 is about 1734.1867926195.

The spelling of 5215400005 in words is "five billion, two hundred fifteen million, four hundred thousand, five".