25726045 has 8 divisors (see below), whose sum is σ = 31935960. Its totient is φ = 19871040.

The previous prime is 25726037. The next prime is 25726087. The reversal of 25726045 is 54062752.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 25512601 = 462^2 + 5051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25726045 - 2³ = 25726037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25725998 and 25726016.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 88566 + ... + 88855.

It is an arithmetic number, because the mean of its divisors is an integer number (3991995).

Almost surely, 2^25726045 is an apocalyptic number.

It is an amenable number.

25726045 is a deficient number, since it is larger than the sum of its proper divisors (6209915).

25726045 is a wasteful number, since it uses less digits than its factorization.

25726045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177455.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 25726045 is about 5072.0848770501. The cubic root of 25726045 is about 295.2054300221.

Adding to 25726045 its reverse (54062752), we get a palindrome (79788797).

The spelling of 25726045 in words is "twenty-five million, seven hundred twenty-six thousand, forty-five".