25141409 has 2 divisors, whose sum is σ = 25141410. Its totient is φ = 25141408.

The previous prime is 25141397. The next prime is 25141411. The reversal of 25141409 is 90414152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19114384 + 6027025 = 4372^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 25141409 - 2⁴ = 25141393 is a prime.

It is a super-3 number, since 3×25141409³ (a number of 23 digits) contains 333 as substring.

Together with 25141411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25141439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12570704 + 12570705.

It is an arithmetic number, because the mean of its divisors is an integer number (12570705).

Almost surely, 2^25141409 is an apocalyptic number.

It is an amenable number.

25141409 is a deficient number, since it is larger than the sum of its proper divisors (1).

25141409 is an equidigital number, since it uses as much as digits as its factorization.

25141409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 25141409 is about 5014.1209598493. The cubic root of 25141409 is about 292.9520475055.

The spelling of 25141409 in words is "twenty-five million, one hundred forty-one thousand, four hundred nine".