5312005213 has 4 divisors (see below), whose sum is σ = 5313394908. Its totient is φ = 5310615520.

The previous prime is 5312005201. The next prime is 5312005219. The reversal of 5312005213 is 3125002135.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2076898329 + 3235106884 = 45573^2 + 56878^2 .

It is a cyclic number.

It is not a de Polignac number, because 5312005213 - 2⁹ = 5312004701 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 (5312005219) 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, 689098 + ... + 696763.

It is an arithmetic number, because the mean of its divisors is an integer number (1328348727).

Almost surely, 2^5312005213 is an apocalyptic number.

It is an amenable number.

5312005213 is a deficient number, since it is larger than the sum of its proper divisors (1389695).

5312005213 is a wasteful number, since it uses less digits than its factorization.

5312005213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389694.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5312005213 is about 72883.5043957136. The cubic root of 5312005213 is about 1744.8288393517.

Adding to 5312005213 its reverse (3125002135), we get a palindrome (8437007348).

The spelling of 5312005213 in words is "five billion, three hundred twelve million, five thousand, two hundred thirteen".