25028057 has 2 divisors, whose sum is σ = 25028058. Its totient is φ = 25028056.

The previous prime is 25028041. The next prime is 25028077. The reversal of 25028057 is 75082052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19811401 + 5216656 = 4451^2 + 2284^2 .

It is a cyclic number.

It is not a de Polignac number, because 25028057 - 2⁴ = 25028041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25028077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12514028 + 12514029.

It is an arithmetic number, because the mean of its divisors is an integer number (12514029).

Almost surely, 2^25028057 is an apocalyptic number.

It is an amenable number.

25028057 is a deficient number, since it is larger than the sum of its proper divisors (1).

25028057 is an equidigital number, since it uses as much as digits as its factorization.

25028057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 25028057 is about 5002.8049132462. The cubic root of 25028057 is about 292.5111184806.

The spelling of 25028057 in words is "twenty-five million, twenty-eight thousand, fifty-seven".