25317119 has 2 divisors, whose sum is σ = 25317120. Its totient is φ = 25317118.

The previous prime is 25317073. The next prime is 25317121. The reversal of 25317119 is 91171352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25317119 - 2²⁴ = 8539903 is a prime.

It is a super-2 number, since 2×25317119² = 1281913028920322, which contains 22 as substring.

Together with 25317121, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1584461 and since 25317119 and 1584461 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 25317091 and 25317100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25317419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12658559 + 12658560.

It is an arithmetic number, because the mean of its divisors is an integer number (12658560).

Almost surely, 2^25317119 is an apocalyptic number.

25317119 is a deficient number, since it is larger than the sum of its proper divisors (1).

25317119 is an equidigital number, since it uses as much as digits as its factorization.

25317119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 29.

The square root of 25317119 is about 5031.6119683457. The cubic root of 25317119 is about 293.6329315310.

The spelling of 25317119 in words is "twenty-five million, three hundred seventeen thousand, one hundred nineteen".