2425543997 has 2 divisors, whose sum is σ = 2425543998. Its totient is φ = 2425543996.

The previous prime is 2425543931. The next prime is 2425544057. The reversal of 2425543997 is 7993455242.

It is a happy number.

2425543997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1895209156 + 530334841 = 43534^2 + 23029^2 .

It is a cyclic number.

It is not a de Polignac number, because 2425543997 - 2⁸ = 2425543741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2425543907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212771998 + 1212771999.

It is an arithmetic number, because the mean of its divisors is an integer number (1212771999).

Almost surely, 2^2425543997 is an apocalyptic number.

It is an amenable number.

2425543997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2425543997 is an equidigital number, since it uses as much as digits as its factorization.

2425543997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The square root of 2425543997 is about 49249.8121519260. The cubic root of 2425543997 is about 1343.5991453020.

The spelling of 2425543997 in words is "two billion, four hundred twenty-five million, five hundred forty-three thousand, nine hundred ninety-seven".