27525000253 has 2 divisors, whose sum is σ = 27525000254. Its totient is φ = 27525000252.

The previous prime is 27525000187. The next prime is 27525000263. The reversal of 27525000253 is 35200052572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23249540484 + 4275459769 = 152478^2 + 65387^2 .

It is a cyclic number.

It is not a de Polignac number, because 27525000253 - 2⁹ = 27524999741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27525000263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13762500126 + 13762500127.

It is an arithmetic number, because the mean of its divisors is an integer number (13762500127).

Almost surely, 2^27525000253 is an apocalyptic number.

It is an amenable number.

27525000253 is a deficient number, since it is larger than the sum of its proper divisors (1).

27525000253 is an equidigital number, since it uses as much as digits as its factorization.

27525000253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 31.

It can be divided in two parts, 2752 and 5000253, that added together give a palindrome (5003005).

The spelling of 27525000253 in words is "twenty-seven billion, five hundred twenty-five million, two hundred fifty-three", and thus it is an aban number.