1025143403 has 2 divisors, whose sum is σ = 1025143404. Its totient is φ = 1025143402.

The previous prime is 1025143351. The next prime is 1025143429. The reversal of 1025143403 is 3043415201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025143403 - 2²² = 1020949099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1025146403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512571701 + 512571702.

It is an arithmetic number, because the mean of its divisors is an integer number (512571702).

Almost surely, 2^1025143403 is an apocalyptic number.

1025143403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025143403 is an equidigital number, since it uses as much as digits as its factorization.

1025143403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1025143403 is about 32017.8606874351. The cubic root of 1025143403 is about 1008.3118559701.

Adding to 1025143403 its reverse (3043415201), we get a palindrome (4068558604).

The spelling of 1025143403 in words is "one billion, twenty-five million, one hundred forty-three thousand, four hundred three".