25422541 has 2 divisors, whose sum is σ = 25422542. Its totient is φ = 25422540.

The previous prime is 25422533. The next prime is 25422557. The reversal of 25422541 is 14522452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23912100 + 1510441 = 4890^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 25422541 - 2³ = 25422533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25422041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12711270 + 12711271.

It is an arithmetic number, because the mean of its divisors is an integer number (12711271).

Almost surely, 2^25422541 is an apocalyptic number.

It is an amenable number.

25422541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25422541 is an equidigital number, since it uses as much as digits as its factorization.

25422541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 25.

The square root of 25422541 is about 5042.0770521681. The cubic root of 25422541 is about 294.0399354948.

Adding to 25422541 its reverse (14522452), we get a palindrome (39944993).

The spelling of 25422541 in words is "twenty-five million, four hundred twenty-two thousand, five hundred forty-one".