2125532447 has 2 divisors, whose sum is σ = 2125532448. Its totient is φ = 2125532446.

The previous prime is 2125532417. The next prime is 2125532471. The reversal of 2125532447 is 7442355212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125532447 - 2¹² = 2125528351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125532417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062766223 + 1062766224.

It is an arithmetic number, because the mean of its divisors is an integer number (1062766224).

Almost surely, 2^2125532447 is an apocalyptic number.

2125532447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125532447 is an equidigital number, since it uses as much as digits as its factorization.

2125532447 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 2125532447 is about 46103.4971233203. The cubic root of 2125532447 is about 1285.7481644929.

Adding to 2125532447 its reverse (7442355212), we get a palindrome (9567887659).

The spelling of 2125532447 in words is "two billion, one hundred twenty-five million, five hundred thirty-two thousand, four hundred forty-seven".