25456733 has 2 divisors, whose sum is σ = 25456734. Its totient is φ = 25456732.

The previous prime is 25456729. The next prime is 25456741. The reversal of 25456733 is 33765452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 34969 = 5042^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 25456733 - 2² = 25456729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25456693 and 25456702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25456933) 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, 12728366 + 12728367.

It is an arithmetic number, because the mean of its divisors is an integer number (12728367).

Almost surely, 2^25456733 is an apocalyptic number.

It is an amenable number.

25456733 is a deficient number, since it is larger than the sum of its proper divisors (1).

25456733 is an equidigital number, since it uses as much as digits as its factorization.

25456733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 35.

The square root of 25456733 is about 5045.4665790192. The cubic root of 25456733 is about 294.1716992650.

The spelling of 25456733 in words is "twenty-five million, four hundred fifty-six thousand, seven hundred thirty-three".