25374920573 has 2 divisors, whose sum is σ = 25374920574. Its totient is φ = 25374920572.

The previous prime is 25374920521. The next prime is 25374920581. The reversal of 25374920573 is 37502947352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22532111449 + 2842809124 = 150107^2 + 53318^2 .

It is a cyclic number.

It is not a de Polignac number, because 25374920573 - 2¹⁴ = 25374904189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25374925573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12687460286 + 12687460287.

It is an arithmetic number, because the mean of its divisors is an integer number (12687460287).

Almost surely, 2^25374920573 is an apocalyptic number.

It is an amenable number.

25374920573 is a deficient number, since it is larger than the sum of its proper divisors (1).

25374920573 is an equidigital number, since it uses as much as digits as its factorization.

25374920573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 25374920573 in words is "twenty-five billion, three hundred seventy-four million, nine hundred twenty thousand, five hundred seventy-three".