25402701043 has 2 divisors, whose sum is σ = 25402701044. Its totient is φ = 25402701042.

The previous prime is 25402701031. The next prime is 25402701059. The reversal of 25402701043 is 34010720452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25402701043 - 2⁵ = 25402701011 is a prime.

It is not a weakly prime, because it can be changed into another prime (25402705043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12701350521 + 12701350522.

It is an arithmetic number, because the mean of its divisors is an integer number (12701350522).

Almost surely, 2^25402701043 is an apocalyptic number.

25402701043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25402701043 is an equidigital number, since it uses as much as digits as its factorization.

25402701043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 25402701043 in words is "twenty-five billion, four hundred two million, seven hundred one thousand, forty-three".