25554253 has 2 divisors, whose sum is σ = 25554254. Its totient is φ = 25554252.

The previous prime is 25554251. The next prime is 25554299. The reversal of 25554253 is 35245552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20232004 + 5322249 = 4498^2 + 2307^2 .

It is a cyclic number.

It is not a de Polignac number, because 25554253 - 2¹ = 25554251 is a prime.

Together with 25554251, it forms a pair of twin primes.

It is equal to p_1598350 and since 25554253 and 1598350 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25554251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777126 + 12777127.

It is an arithmetic number, because the mean of its divisors is an integer number (12777127).

Almost surely, 2^25554253 is an apocalyptic number.

It is an amenable number.

25554253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25554253 is an equidigital number, since it uses as much as digits as its factorization.

25554253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30000, while the sum is 31.

The square root of 25554253 is about 5055.1214624379. The cubic root of 25554253 is about 294.5468596016.

The spelling of 25554253 in words is "twenty-five million, five hundred fifty-four thousand, two hundred fifty-three".