25243319 has 2 divisors, whose sum is σ = 25243320. Its totient is φ = 25243318.

The previous prime is 25243313. The next prime is 25243367. The reversal of 25243319 is 91334252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25243319 - 2²⁰ = 24194743 is a prime.

It is a super-2 number, since 2×25243319² = 1274450308271522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25243291 and 25243300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25243313) 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, 12621659 + 12621660.

It is an arithmetic number, because the mean of its divisors is an integer number (12621660).

Almost surely, 2^25243319 is an apocalyptic number.

25243319 is a deficient number, since it is larger than the sum of its proper divisors (1).

25243319 is an equidigital number, since it uses as much as digits as its factorization.

25243319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 25243319 is about 5024.2729822333. The cubic root of 25243319 is about 293.3473382030.

The spelling of 25243319 in words is "twenty-five million, two hundred forty-three thousand, three hundred nineteen".