25492541 has 2 divisors, whose sum is σ = 25492542. Its totient is φ = 25492540.

The previous prime is 25492531. The next prime is 25492573. The reversal of 25492541 is 14529452.

It is an a-pointer prime, because the next prime (25492573) can be obtained adding 25492541 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17347225 + 8145316 = 4165^2 + 2854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25492541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25492498 and 25492507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25492531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12746270 + 12746271.

It is an arithmetic number, because the mean of its divisors is an integer number (12746271).

Almost surely, 2^25492541 is an apocalyptic number.

It is an amenable number.

25492541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25492541 is an equidigital number, since it uses as much as digits as its factorization.

25492541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 25492541 is about 5049.0138641125. The cubic root of 25492541 is about 294.3095641027.

The spelling of 25492541 in words is "twenty-five million, four hundred ninety-two thousand, five hundred forty-one".