25283861 has 2 divisors, whose sum is σ = 25283862. Its totient is φ = 25283860.

The previous prime is 25283837. The next prime is 25283873. The reversal of 25283861 is 16838252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24690961 + 592900 = 4969^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 25283861 - 2¹⁴ = 25267477 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25283821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12641930 + 12641931.

It is an arithmetic number, because the mean of its divisors is an integer number (12641931).

Almost surely, 2^25283861 is an apocalyptic number.

It is an amenable number.

25283861 is a deficient number, since it is larger than the sum of its proper divisors (1).

25283861 is an equidigital number, since it uses as much as digits as its factorization.

25283861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 25283861 is about 5028.3059771657. The cubic root of 25283861 is about 293.5042975765.

The spelling of 25283861 in words is "twenty-five million, two hundred eighty-three thousand, eight hundred sixty-one".