1040025543 has 8 divisors (see below), whose sum is σ = 1387897728. Its totient is φ = 692751864.

The previous prime is 1040025527. The next prime is 1040025551. The reversal of 1040025543 is 3455200401.

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

It is not a de Polignac number, because 1040025543 - 2⁴ = 1040025527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040005543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145555 + ... + 152532.

It is an arithmetic number, because the mean of its divisors is an integer number (173487216).

Almost surely, 2^1040025543 is an apocalyptic number.

1040025543 is a deficient number, since it is larger than the sum of its proper divisors (347872185).

1040025543 is a wasteful number, since it uses less digits than its factorization.

1040025543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299253.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1040025543 is about 32249.4270181658. The cubic root of 1040025543 is about 1013.1676983454.

Adding to 1040025543 its reverse (3455200401), we get a palindrome (4495225944).

The spelling of 1040025543 in words is "one billion, forty million, twenty-five thousand, five hundred forty-three".