25275025530257 has 16 divisors (see below), whose sum is σ = 25514600126400. Its totient is φ = 25036780950720.

The previous prime is 25275025530253. The next prime is 25275025530269. The reversal of 25275025530257 is 75203552057252.

It is a cyclic number.

It is not a de Polignac number, because 25275025530257 - 2² = 25275025530253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25275025530253) 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, 47925719 + ... + 48450227.

It is an arithmetic number, because the mean of its divisors is an integer number (1594662507900).

Almost surely, 2^{25275025530257} is an apocalyptic number.

It is an amenable number.

25275025530257 is a deficient number, since it is larger than the sum of its proper divisors (239574596143).

25275025530257 is a wasteful number, since it uses less digits than its factorization.

25275025530257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525776.

The product of its (nonzero) digits is 7350000, while the sum is 50.

The spelling of 25275025530257 in words is "twenty-five trillion, two hundred seventy-five billion, twenty-five million, five hundred thirty thousand, two hundred fifty-seven".