25786630 has 16 divisors (see below), whose sum is σ = 46473984. Its totient is φ = 10301760.

The previous prime is 25786601. The next prime is 25786639. The reversal of 25786630 is 3668752.

It is a self number, because there is not a number n which added to its sum of digits gives 25786630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25786639) 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 7 ways as a sum of consecutive naturals, for example, 13834 + ... + 15586.

It is an arithmetic number, because the mean of its divisors is an integer number (2904624).

Almost surely, 2^25786630 is an apocalyptic number.

25786630 is a deficient number, since it is larger than the sum of its proper divisors (20687354).

25786630 is a wasteful number, since it uses less digits than its factorization.

25786630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 25786630 is about 5078.0537610388. The cubic root of 25786630 is about 295.4369852357.

The spelling of 25786630 in words is "twenty-five million, seven hundred eighty-six thousand, six hundred thirty".