25965029 has 2 divisors, whose sum is σ = 25965030. Its totient is φ = 25965028.

The previous prime is 25965007. The next prime is 25965031. The reversal of 25965029 is 92056952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24750625 + 1214404 = 4975^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 25965029 - 2²⁰ = 24916453 is a prime.

Together with 25965031, 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 = 25964983 and 25965001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25965089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12982514 + 12982515.

It is an arithmetic number, because the mean of its divisors is an integer number (12982515).

Almost surely, 2^25965029 is an apocalyptic number.

It is an amenable number.

25965029 is a deficient number, since it is larger than the sum of its proper divisors (1).

25965029 is an equidigital number, since it uses as much as digits as its factorization.

25965029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 25965029 is about 5095.5891710380. The cubic root of 25965029 is about 296.1167248740.

The spelling of 25965029 in words is "twenty-five million, nine hundred sixty-five thousand, twenty-nine".