25271793 has 6 divisors (see below), whose sum is σ = 36503714. Its totient is φ = 16847856.

The previous prime is 25271791. The next prime is 25271801. The reversal of 25271793 is 39717252.

It can be written as a sum of positive squares in only one way, i.e., 24770529 + 501264 = 4977^2 + 708^2 .

It is not a de Polignac number, because 25271793 - 2¹ = 25271791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25271791) 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 in 5 ways as a sum of consecutive naturals, for example, 1403980 + ... + 1403997.

Almost surely, 2^25271793 is an apocalyptic number.

It is an amenable number.

25271793 is a deficient number, since it is larger than the sum of its proper divisors (11231921).

25271793 is a wasteful number, since it uses less digits than its factorization.

25271793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807983 (or 2807980 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 25271793 is about 5027.1058274120. The cubic root of 25271793 is about 293.4575935605.

The spelling of 25271793 in words is "twenty-five million, two hundred seventy-one thousand, seven hundred ninety-three".