25352769287 has 2 divisors, whose sum is σ = 25352769288.
Its totient is φ = 25352769286.
The previous prime is 25352769241. The next prime is 25352769331. The reversal of 25352769287 is 78296725352.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 25352769287 - 210 = 25352768263 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25352762287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12676384643 + 12676384644.
It is an arithmetic number, because the mean of its divisors is an integer number (12676384644).
Almost surely, 225352769287 is an apocalyptic number.
25352769287 is a deficient number, since it is larger than the sum of its proper divisors (1).
25352769287 is an equidigital number, since it uses as much as digits as its factorization.
25352769287 is an evil number, because the sum of its binary digits is even.
The product of its digits is 12700800, while the sum is 56.
The spelling of 25352769287 in words is "twenty-five billion, three hundred fifty-two million, seven hundred sixty-nine thousand, two hundred eighty-seven".