25828477 has 2 divisors, whose sum is σ = 25828478. Its totient is φ = 25828476.

The previous prime is 25828463. The next prime is 25828493. The reversal of 25828477 is 77482852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17926756 + 7901721 = 4234^2 + 2811^2 .

It is a cyclic number.

It is not a de Polignac number, because 25828477 - 2¹⁵ = 25795709 is a prime.

It is a super-2 number, since 2×25828477² = 1334220448279058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25828577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12914238 + 12914239.

It is an arithmetic number, because the mean of its divisors is an integer number (12914239).

Almost surely, 2^25828477 is an apocalyptic number.

It is an amenable number.

25828477 is a deficient number, since it is larger than the sum of its proper divisors (1).

25828477 is an equidigital number, since it uses as much as digits as its factorization.

25828477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250880, while the sum is 43.

The square root of 25828477 is about 5082.1724685414. The cubic root of 25828477 is about 295.5967123221.

The spelling of 25828477 in words is "twenty-five million, eight hundred twenty-eight thousand, four hundred seventy-seven".