25275230135 has 16 divisors (see below), whose sum is σ = 31198940640. Its totient is φ = 19649063040.

The previous prime is 25275230089. The next prime is 25275230159. The reversal of 25275230135 is 53103257252.

It is not a de Polignac number, because 25275230135 - 2²² = 25271035831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25275230095 and 25275230104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473900 + ... + 524529.

It is an arithmetic number, because the mean of its divisors is an integer number (1949933790).

Almost surely, 2^25275230135 is an apocalyptic number.

25275230135 is a deficient number, since it is larger than the sum of its proper divisors (5923710505).

25275230135 is an equidigital number, since it uses as much as digits as its factorization.

25275230135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998578.

The product of its (nonzero) digits is 63000, while the sum is 35.

Adding to 25275230135 its reverse (53103257252), we get a palindrome (78378487387).

The spelling of 25275230135 in words is "twenty-five billion, two hundred seventy-five million, two hundred thirty thousand, one hundred thirty-five".