25225049 has 2 divisors, whose sum is σ = 25225050. Its totient is φ = 25225048.

The previous prime is 25225021. The next prime is 25225061. The reversal of 25225049 is 94052252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25200400 + 24649 = 5020^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 25225049 - 2¹⁶ = 25159513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25225019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12612524 + 12612525.

It is an arithmetic number, because the mean of its divisors is an integer number (12612525).

Almost surely, 2^25225049 is an apocalyptic number.

It is an amenable number.

25225049 is a deficient number, since it is larger than the sum of its proper divisors (1).

25225049 is an equidigital number, since it uses as much as digits as its factorization.

25225049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 25225049 is about 5022.4544796344. The cubic root of 25225049 is about 293.2765505045.

The spelling of 25225049 in words is "twenty-five million, two hundred twenty-five thousand, forty-nine".