25263397385 has 8 divisors (see below), whose sum is σ = 30328603200. Its totient is φ = 20202367024.

The previous prime is 25263397373. The next prime is 25263397387. The reversal of 25263397385 is 58379336252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25263397385 - 2⁶ = 25263397321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25263397387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030535 + ... + 1054764.

It is an arithmetic number, because the mean of its divisors is an integer number (3791075400).

Almost surely, 2^25263397385 is an apocalyptic number.

It is an amenable number.

25263397385 is a deficient number, since it is larger than the sum of its proper divisors (5065205815).

25263397385 is a wasteful number, since it uses less digits than its factorization.

25263397385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087727.

The product of its digits is 8164800, while the sum is 53.

The spelling of 25263397385 in words is "twenty-five billion, two hundred sixty-three million, three hundred ninety-seven thousand, three hundred eighty-five".