25289377 has 2 divisors, whose sum is σ = 25289378. Its totient is φ = 25289376.

The previous prime is 25289371. The next prime is 25289477. The reversal of 25289377 is 77398252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16072081 + 9217296 = 4009^2 + 3036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25289377 is a prime.

It is not a weakly prime, because it can be changed into another prime (25289371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12644688 + 12644689.

It is an arithmetic number, because the mean of its divisors is an integer number (12644689).

Almost surely, 2^25289377 is an apocalyptic number.

It is an amenable number.

25289377 is a deficient number, since it is larger than the sum of its proper divisors (1).

25289377 is an equidigital number, since it uses as much as digits as its factorization.

25289377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 25289377 is about 5028.8544421170. The cubic root of 25289377 is about 293.5256399391.

The spelling of 25289377 in words is "twenty-five million, two hundred eighty-nine thousand, three hundred seventy-seven".