25854253 has 2 divisors, whose sum is σ = 25854254. Its totient is φ = 25854252.

The previous prime is 25854211. The next prime is 25854259. The reversal of 25854253 is 35245852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18003049 + 7851204 = 4243^2 + 2802^2 .

It is a cyclic number.

It is not a de Polignac number, because 25854253 - 2²¹ = 23757101 is a prime.

It is equal to p_1615993 and since 25854253 and 1615993 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 (25854259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12927126 + 12927127.

It is an arithmetic number, because the mean of its divisors is an integer number (12927127).

Almost surely, 2^25854253 is an apocalyptic number.

It is an amenable number.

25854253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25854253 is an equidigital number, since it uses as much as digits as its factorization.

25854253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 34.

The square root of 25854253 is about 5084.7077595472. The cubic root of 25854253 is about 295.6950116740.

The spelling of 25854253 in words is "twenty-five million, eight hundred fifty-four thousand, two hundred fifty-three".