1025630143 has 2 divisors, whose sum is σ = 1025630144. Its totient is φ = 1025630142.

The previous prime is 1025630119. The next prime is 1025630147. The reversal of 1025630143 is 3410365201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025630143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025630147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512815071 + 512815072.

It is an arithmetic number, because the mean of its divisors is an integer number (512815072).

Almost surely, 2^1025630143 is an apocalyptic number.

1025630143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025630143 is an equidigital number, since it uses as much as digits as its factorization.

1025630143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1025630143 is about 32025.4608553882. The cubic root of 1025630143 is about 1008.4714135034.

Adding to 1025630143 its reverse (3410365201), we get a palindrome (4435995344).

The spelling of 1025630143 in words is "one billion, twenty-five million, six hundred thirty thousand, one hundred forty-three".