25057117 has 2 divisors, whose sum is σ = 25057118. Its totient is φ = 25057116.

The previous prime is 25057111. The next prime is 25057121. The reversal of 25057117 is 71175052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18610596 + 6446521 = 4314^2 + 2539^2 .

It is a cyclic number.

It is not a de Polignac number, because 25057117 - 2¹⁹ = 24532829 is a prime.

It is a super-2 number, since 2×25057117² = 1255718224703378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25057111) 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, 12528558 + 12528559.

It is an arithmetic number, because the mean of its divisors is an integer number (12528559).

Almost surely, 2^25057117 is an apocalyptic number.

It is an amenable number.

25057117 is a deficient number, since it is larger than the sum of its proper divisors (1).

25057117 is an equidigital number, since it uses as much as digits as its factorization.

25057117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 25057117 is about 5005.7084413697. The cubic root of 25057117 is about 292.6242859458.

The spelling of 25057117 in words is "twenty-five million, fifty-seven thousand, one hundred seventeen".