26251630 has 8 divisors (see below), whose sum is σ = 47252952. Its totient is φ = 10500648.

The previous prime is 26251619. The next prime is 26251633. The reversal of 26251630 is 3615262.

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

It is a junction number, because it is equal to n+sod(n) for n = 26251595 and 26251604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26251633) 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 in 3 ways as a sum of consecutive naturals, for example, 1312572 + ... + 1312591.

It is an arithmetic number, because the mean of its divisors is an integer number (5906619).

Almost surely, 2^26251630 is an apocalyptic number.

26251630 is a deficient number, since it is larger than the sum of its proper divisors (21001322).

26251630 is a wasteful number, since it uses less digits than its factorization.

26251630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625170.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 26251630 is about 5123.6344522224. The cubic root of 26251630 is about 297.2022489983.

Adding to 26251630 its reverse (3615262), we get a palindrome (29866892).

The spelling of 26251630 in words is "twenty-six million, two hundred fifty-one thousand, six hundred thirty".