2143525247 has 2 divisors, whose sum is σ = 2143525248. Its totient is φ = 2143525246.

The previous prime is 2143525243. The next prime is 2143525259. The reversal of 2143525247 is 7425253412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143525247 - 2² = 2143525243 is a prime.

It is a super-2 number, since 2×2143525247² = 9189400969052822018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143525243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071762623 + 1071762624.

It is an arithmetic number, because the mean of its divisors is an integer number (1071762624).

Almost surely, 2^2143525247 is an apocalyptic number.

2143525247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143525247 is an equidigital number, since it uses as much as digits as its factorization.

2143525247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 35.

The square root of 2143525247 is about 46298.2207757490. The cubic root of 2143525247 is about 1289.3659618809.

Adding to 2143525247 its reverse (7425253412), we get a palindrome (9568778659).

The spelling of 2143525247 in words is "two billion, one hundred forty-three million, five hundred twenty-five thousand, two hundred forty-seven".