25250530028005 has 8 divisors (see below), whose sum is σ = 32083026388632. Its totient is φ = 19012163785728.

The previous prime is 25250530027939. The next prime is 25250530028033. The reversal of 25250530028005 is 50082003505252.

It can be written as a sum of positive squares in 4 ways, for example, as 415995330529 + 24834534697476 = 644977^2 + 4983426^2 .

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 25250530028005 - 2¹¹ = 25250530025957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148532529492 + ... + 148532529661.

It is an arithmetic number, because the mean of its divisors is an integer number (4010378298579).

Almost surely, 2^{25250530028005} is an apocalyptic number.

It is an amenable number.

25250530028005 is a deficient number, since it is larger than the sum of its proper divisors (6832496360627).

25250530028005 is a wasteful number, since it uses less digits than its factorization.

25250530028005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297065059175.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 25250530028005 in words is "twenty-five trillion, two hundred fifty billion, five hundred thirty million, twenty-eight thousand, five".