25842629 has 2 divisors, whose sum is σ = 25842630. Its totient is φ = 25842628.

The previous prime is 25842611. The next prime is 25842659. The reversal of 25842629 is 92624852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17833729 + 8008900 = 4223^2 + 2830^2 .

It is a cyclic number.

It is not a de Polignac number, because 25842629 - 2¹⁶ = 25777093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25842592 and 25842601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25842659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12921314 + 12921315.

It is an arithmetic number, because the mean of its divisors is an integer number (12921315).

Almost surely, 2^25842629 is an apocalyptic number.

It is an amenable number.

25842629 is a deficient number, since it is larger than the sum of its proper divisors (1).

25842629 is an equidigital number, since it uses as much as digits as its factorization.

25842629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 25842629 is about 5083.5645958323. The cubic root of 25842629 is about 295.6506904804.

The spelling of 25842629 in words is "twenty-five million, eight hundred forty-two thousand, six hundred twenty-nine".