260831925 has 36 divisors (see below), whose sum is σ = 468047424. Its totient is φ = 138852000.

The previous prime is 260831917. The next prime is 260831929. The reversal of 260831925 is 529138062.

It is not a de Polignac number, because 260831925 - 2³ = 260831917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260831925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260831929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 235924 + ... + 237026.

Almost surely, 2^260831925 is an apocalyptic number.

260831925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

260831925 is a deficient number, since it is larger than the sum of its proper divisors (207215499).

260831925 is a wasteful number, since it uses less digits than its factorization.

260831925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 260831925 is about 16150.2917930296. The cubic root of 260831925 is about 638.9304442060.

Adding to 260831925 its reverse (529138062), we get a palindrome (789969987).

The spelling of 260831925 in words is "two hundred sixty million, eight hundred thirty-one thousand, nine hundred twenty-five".