25879031 has 2 divisors, whose sum is σ = 25879032. Its totient is φ = 25879030.

The previous prime is 25879001. The next prime is 25879033. The reversal of 25879031 is 13097852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25879031 - 2¹⁸ = 25616887 is a prime.

It is a super-2 number, since 2×25879031² = 1339448490997922, which contains 22 as substring.

Together with 25879033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25878982 and 25879000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25879033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12939515 + 12939516.

It is an arithmetic number, because the mean of its divisors is an integer number (12939516).

Almost surely, 2^25879031 is an apocalyptic number.

25879031 is a deficient number, since it is larger than the sum of its proper divisors (1).

25879031 is an equidigital number, since it uses as much as digits as its factorization.

25879031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 25879031 is about 5087.1436975969. The cubic root of 25879031 is about 295.7894434833.

The spelling of 25879031 in words is "twenty-five million, eight hundred seventy-nine thousand, thirty-one".