25442119 has 2 divisors, whose sum is σ = 25442120. Its totient is φ = 25442118.

The previous prime is 25442101. The next prime is 25442161. The reversal of 25442119 is 91124452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25442119 - 2⁷ = 25441991 is a prime.

It is a super-2 number, since 2×25442119² = 1294602838420322, which contains 22 as substring.

It is equal to p_1591741 and since 25442119 and 1591741 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25442189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12721059 + 12721060.

It is an arithmetic number, because the mean of its divisors is an integer number (12721060).

Almost surely, 2^25442119 is an apocalyptic number.

25442119 is a deficient number, since it is larger than the sum of its proper divisors (1).

25442119 is an equidigital number, since it uses as much as digits as its factorization.

25442119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 25442119 is about 5044.0181403322. The cubic root of 25442119 is about 294.1153965687.

The spelling of 25442119 in words is "twenty-five million, four hundred forty-two thousand, one hundred nineteen".