25093109 has 2 divisors, whose sum is σ = 25093110. Its totient is φ = 25093108.

The previous prime is 25093099. The next prime is 25093121. The reversal of 25093109 is 90139052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18447025 + 6646084 = 4295^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 25093109 - 2⁸ = 25092853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25093199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12546554 + 12546555.

It is an arithmetic number, because the mean of its divisors is an integer number (12546555).

Almost surely, 2^25093109 is an apocalyptic number.

It is an amenable number.

25093109 is a deficient number, since it is larger than the sum of its proper divisors (1).

25093109 is an equidigital number, since it uses as much as digits as its factorization.

25093109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 25093109 is about 5009.3022468204. The cubic root of 25093109 is about 292.7643272567.

The spelling of 25093109 in words is "twenty-five million, ninety-three thousand, one hundred nine".