25848457 has 2 divisors, whose sum is σ = 25848458. Its totient is φ = 25848456.

The previous prime is 25848421. The next prime is 25848467. The reversal of 25848457 is 75484852.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23145721 + 2702736 = 4811^2 + 1644^2 .

It is a cyclic number.

It is not a de Polignac number, because 25848457 - 2¹⁵ = 25815689 is a prime.

It is not a weakly prime, because it can be changed into another prime (25848467) 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, 12924228 + 12924229.

It is an arithmetic number, because the mean of its divisors is an integer number (12924229).

Almost surely, 2^25848457 is an apocalyptic number.

It is an amenable number.

25848457 is a deficient number, since it is larger than the sum of its proper divisors (1).

25848457 is an equidigital number, since it uses as much as digits as its factorization.

25848457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 358400, while the sum is 43.

The square root of 25848457 is about 5084.1377833414. The cubic root of 25848457 is about 295.6729137446.

It can be divided in two parts, 2584845 and 7, that added together give a palindrome (2584852).

The spelling of 25848457 in words is "twenty-five million, eight hundred forty-eight thousand, four hundred fifty-seven".