25848997 has 2 divisors, whose sum is σ = 25848998. Its totient is φ = 25848996.

The previous prime is 25848943. The next prime is 25849007. The reversal of 25848997 is 79984852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25715041 + 133956 = 5071^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 25848997 - 2⁷ = 25848869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25848197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12924498 + 12924499.

It is an arithmetic number, because the mean of its divisors is an integer number (12924499).

Almost surely, 2^25848997 is an apocalyptic number.

It is an amenable number.

25848997 is a deficient number, since it is larger than the sum of its proper divisors (1).

25848997 is an equidigital number, since it uses as much as digits as its factorization.

25848997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 52.

The square root of 25848997 is about 5084.1908894140. The cubic root of 25848997 is about 295.6749726974.

The spelling of 25848997 in words is "twenty-five million, eight hundred forty-eight thousand, nine hundred ninety-seven".