25650969 has 16 divisors (see below), whose sum is σ = 36142080. Its totient is φ = 16137360.

The previous prime is 25650967. The next prime is 25650983. The reversal of 25650969 is 96905652.

It is not a de Polignac number, because 25650969 - 2¹ = 25650967 is a prime.

It is a super-3 number, since 3×25650969³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 25650969.

It is not an unprimeable number, because it can be changed into a prime (25650967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17004 + ... + 18450.

It is an arithmetic number, because the mean of its divisors is an integer number (2258880).

Almost surely, 2^25650969 is an apocalyptic number.

It is an amenable number.

25650969 is a deficient number, since it is larger than the sum of its proper divisors (10491111).

25650969 is a wasteful number, since it uses less digits than its factorization.

25650969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 25650969 is about 5064.6785682805. The cubic root of 25650969 is about 294.9179854360.

The spelling of 25650969 in words is "twenty-five million, six hundred fifty thousand, nine hundred sixty-nine".