5212657243 has 4 divisors (see below), whose sum is σ = 5225787760. Its totient is φ = 5199526728.

The previous prime is 5212657231. The next prime is 5212657253. The reversal of 5212657243 is 3427562125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5212657243 is a prime.

It is a super-2 number, since 2×5212657243² = 54343591066000722098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5212657253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6564663 + ... + 6565456.

It is an arithmetic number, because the mean of its divisors is an integer number (1306446940).

Almost surely, 2^5212657243 is an apocalyptic number.

5212657243 is a deficient number, since it is larger than the sum of its proper divisors (13130517).

5212657243 is a wasteful number, since it uses less digits than its factorization.

5212657243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130516.

The product of its digits is 100800, while the sum is 37.

The square root of 5212657243 is about 72198.7343587130. The cubic root of 5212657243 is about 1733.8827382371.

The spelling of 5212657243 in words is "five billion, two hundred twelve million, six hundred fifty-seven thousand, two hundred forty-three".