25275055529 has 8 divisors (see below), whose sum is σ = 25909065000. Its totient is φ = 24641881600.

The previous prime is 25275055517. The next prime is 25275055543. The reversal of 25275055529 is 92555057252.

It can be written as a sum of positive squares in 4 ways, for example, as 451477504 + 24823578025 = 21248^2 + 157555^2 .

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 25275055529 - 2⁴ = 25275055513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25275055229) 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, 147404 + ... + 268845.

It is an arithmetic number, because the mean of its divisors is an integer number (3238633125).

Almost surely, 2^25275055529 is an apocalyptic number.

It is an amenable number.

25275055529 is a deficient number, since it is larger than the sum of its proper divisors (634009471).

25275055529 is a wasteful number, since it uses less digits than its factorization.

25275055529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417771.

The product of its (nonzero) digits is 1575000, while the sum is 47.

The spelling of 25275055529 in words is "twenty-five billion, two hundred seventy-five million, fifty-five thousand, five hundred twenty-nine".