25620250043 has 2 divisors, whose sum is σ = 25620250044. Its totient is φ = 25620250042.

The previous prime is 25620250037. The next prime is 25620250087. The reversal of 25620250043 is 34005202652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25620250043 - 2¹⁰ = 25620249019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25620249988 and 25620250015.

It is not a weakly prime, because it can be changed into another prime (25620250003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12810125021 + 12810125022.

It is an arithmetic number, because the mean of its divisors is an integer number (12810125022).

Almost surely, 2^25620250043 is an apocalyptic number.

25620250043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25620250043 is an equidigital number, since it uses as much as digits as its factorization.

25620250043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 25620250043 its reverse (34005202652), we get a palindrome (59625452695).

The spelling of 25620250043 in words is "twenty-five billion, six hundred twenty million, two hundred fifty thousand, forty-three".