1025240043 has 4 divisors (see below), whose sum is σ = 1366986728. Its totient is φ = 683493360.

The previous prime is 1025240033. The next prime is 1025240053. The reversal of 1025240043 is 3400425201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1025240033) and next prime (1025240053).

It is not a de Polignac number, because 1025240043 - 2⁹ = 1025239531 is a prime.

It is a super-2 number, since 2×1025240043² = 2102234291541283698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025240023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170873338 + ... + 170873343.

It is an arithmetic number, because the mean of its divisors is an integer number (341746682).

Almost surely, 2^1025240043 is an apocalyptic number.

1025240043 is a deficient number, since it is larger than the sum of its proper divisors (341746685).

1025240043 is an equidigital number, since it uses as much as digits as its factorization.

1025240043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341746684.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1025240043 is about 32019.3698095387. The cubic root of 1025240043 is about 1008.3435394060.

Adding to 1025240043 its reverse (3400425201), we get a palindrome (4425665244).

The spelling of 1025240043 in words is "one billion, twenty-five million, two hundred forty thousand, forty-three".