25486193 has 2 divisors, whose sum is σ = 25486194. Its totient is φ = 25486192.

The previous prime is 25486189. The next prime is 25486207. The reversal of 25486193 is 39168452.

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., 20720704 + 4765489 = 4552^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 25486193 - 2² = 25486189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25486183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12743096 + 12743097.

It is an arithmetic number, because the mean of its divisors is an integer number (12743097).

Almost surely, 2^25486193 is an apocalyptic number.

It is an amenable number.

25486193 is a deficient number, since it is larger than the sum of its proper divisors (1).

25486193 is an equidigital number, since it uses as much as digits as its factorization.

25486193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 25486193 is about 5048.3851873644. The cubic root of 25486193 is about 294.2851330059.

The spelling of 25486193 in words is "twenty-five million, four hundred eighty-six thousand, one hundred ninety-three".