25275250553 has 16 divisors (see below), whose sum is σ = 30177079296. Its totient is φ = 20713032720.

The previous prime is 25275250529. The next prime is 25275250571. The reversal of 25275250553 is 35505257252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25275250553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25275250553.

It is not an unprimeable number, because it can be changed into a prime (25275250573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683651 + ... + 719672.

It is an arithmetic number, because the mean of its divisors is an integer number (1886067456).

Almost surely, 2^25275250553 is an apocalyptic number.

It is an amenable number.

25275250553 is a deficient number, since it is larger than the sum of its proper divisors (4901828743).

25275250553 is a wasteful number, since it uses less digits than its factorization.

25275250553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403444.

The product of its (nonzero) digits is 525000, while the sum is 41.

The spelling of 25275250553 in words is "twenty-five billion, two hundred seventy-five million, two hundred fifty thousand, five hundred fifty-three".