25254193 has 2 divisors, whose sum is σ = 25254194. Its totient is φ = 25254192.

The previous prime is 25254191. The next prime is 25254199. The reversal of 25254193 is 39145252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 2900209 = 4728^2 + 1703^2 .

It is a cyclic number.

It is not a de Polignac number, because 25254193 - 2¹ = 25254191 is a prime.

Together with 25254191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25254191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627096 + 12627097.

It is an arithmetic number, because the mean of its divisors is an integer number (12627097).

Almost surely, 2^25254193 is an apocalyptic number.

It is an amenable number.

25254193 is a deficient number, since it is larger than the sum of its proper divisors (1).

25254193 is an equidigital number, since it uses as much as digits as its factorization.

25254193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 25254193 is about 5025.3550123349. The cubic root of 25254193 is about 293.3894536506.

It can be divided in two parts, 252 and 54193, that added together give a palindrome (54445).

The spelling of 25254193 in words is "twenty-five million, two hundred fifty-four thousand, one hundred ninety-three".