25726447 has 2 divisors, whose sum is σ = 25726448. Its totient is φ = 25726446.

The previous prime is 25726411. The next prime is 25726483. The reversal of 25726447 is 74462752.

It is a balanced prime because it is at equal distance from previous prime (25726411) and next prime (25726483).

It is a cyclic number.

It is not a de Polignac number, because 25726447 - 2¹¹ = 25724399 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25726487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12863223 + 12863224.

It is an arithmetic number, because the mean of its divisors is an integer number (12863224).

Almost surely, 2^25726447 is an apocalyptic number.

25726447 is a deficient number, since it is larger than the sum of its proper divisors (1).

25726447 is an equidigital number, since it uses as much as digits as its factorization.

25726447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 37.

The square root of 25726447 is about 5072.1245055696. The cubic root of 25726447 is about 295.2069676592.

It can be divided in two parts, 2 and 5726447, that added together give a square (5726449 = 2393²).

The spelling of 25726447 in words is "twenty-five million, seven hundred twenty-six thousand, four hundred forty-seven".