25198093 has 2 divisors, whose sum is σ = 25198094. Its totient is φ = 25198092.

The previous prime is 25198091. The next prime is 25198109. The reversal of 25198093 is 39089152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24980004 + 218089 = 4998^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 25198093 - 2¹ = 25198091 is a prime.

Together with 25198091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25198091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12599046 + 12599047.

It is an arithmetic number, because the mean of its divisors is an integer number (12599047).

Almost surely, 2^25198093 is an apocalyptic number.

It is an amenable number.

25198093 is a deficient number, since it is larger than the sum of its proper divisors (1).

25198093 is an equidigital number, since it uses as much as digits as its factorization.

25198093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 25198093 is about 5019.7702138644. The cubic root of 25198093 is about 293.1720461765.

The spelling of 25198093 in words is "twenty-five million, one hundred ninety-eight thousand, ninety-three".