25522039 has 2 divisors, whose sum is σ = 25522040. Its totient is φ = 25522038.

The previous prime is 25522037. The next prime is 25522069. The reversal of 25522039 is 93022552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25522039 - 2¹ = 25522037 is a prime.

Together with 25522037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25521998 and 25522016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25522033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12761019 + 12761020.

It is an arithmetic number, because the mean of its divisors is an integer number (12761020).

Almost surely, 2^25522039 is an apocalyptic number.

25522039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25522039 is an equidigital number, since it uses as much as digits as its factorization.

25522039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25522039 is about 5051.9341840527. The cubic root of 25522039 is about 294.4230377803.

The spelling of 25522039 in words is "twenty-five million, five hundred twenty-two thousand, thirty-nine".