25314109 has 2 divisors, whose sum is σ = 25314110. Its totient is φ = 25314108.

The previous prime is 25314101. The next prime is 25314131. The reversal of 25314109 is 90141352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16990884 + 8323225 = 4122^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 25314109 - 2³ = 25314101 is a prime.

It is a super-2 number, since 2×25314109² = 1281608228927762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25314101) 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, 12657054 + 12657055.

It is an arithmetic number, because the mean of its divisors is an integer number (12657055).

Almost surely, 2^25314109 is an apocalyptic number.

It is an amenable number.

25314109 is a deficient number, since it is larger than the sum of its proper divisors (1).

25314109 is an equidigital number, since it uses as much as digits as its factorization.

25314109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 25314109 is about 5031.3128505391. The cubic root of 25314109 is about 293.6212942122.

The spelling of 25314109 in words is "twenty-five million, three hundred fourteen thousand, one hundred nine".