1025222543 has 8 divisors (see below), whose sum is σ = 1041601968. Its totient is φ = 1008874944.

The previous prime is 1025222531. The next prime is 1025222581. The reversal of 1025222543 is 3452225201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025222543 - 2²⁶ = 958113679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025222593) 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 7 ways as a sum of consecutive naturals, for example, 61805 + ... + 76617.

It is an arithmetic number, because the mean of its divisors is an integer number (130200246).

Almost surely, 2^1025222543 is an apocalyptic number.

1025222543 is a deficient number, since it is larger than the sum of its proper divisors (16379425).

1025222543 is a wasteful number, since it uses less digits than its factorization.

1025222543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15913.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1025222543 is about 32019.0965362860. The cubic root of 1025222543 is about 1008.3378021765.

Adding to 1025222543 its reverse (3452225201), we get a palindrome (4477447744).

The spelling of 1025222543 in words is "one billion, twenty-five million, two hundred twenty-two thousand, five hundred forty-three".