25275055 has 16 divisors (see below), whose sum is σ = 32768064. Its totient is φ = 18604800.

The previous prime is 25275031. The next prime is 25275079. The reversal of 25275055 is 55057252.

It is an interprime number because it is at equal distance from previous prime (25275031) and next prime (25275079).

It is not a de Polignac number, because 25275055 - 2¹³ = 25266863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38742 + ... + 39388.

It is an arithmetic number, because the mean of its divisors is an integer number (2048004).

Almost surely, 2^25275055 is an apocalyptic number.

25275055 is a deficient number, since it is larger than the sum of its proper divisors (7493009).

25275055 is a wasteful number, since it uses less digits than its factorization.

25275055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 25275055 is about 5027.4302580941. The cubic root of 25275055 is about 293.4702191980.

It can be divided in two parts, 2527 and 5055, that multiplied together give a triangular number (12773985 = T₅₀₅₄).

The spelling of 25275055 in words is "twenty-five million, two hundred seventy-five thousand, fifty-five".