3251040261 has 32 divisors (see below), whose sum is σ = 5094942720. Its totient is φ = 1805011776.

The previous prime is 3251040259. The next prime is 3251040301. The reversal of 3251040261 is 1620401523.

It is not a de Polignac number, because 3251040261 - 2¹ = 3251040259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251040061) 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 31 ways as a sum of consecutive naturals, for example, 649410 + ... + 654396.

It is an arithmetic number, because the mean of its divisors is an integer number (159216960).

Almost surely, 2^3251040261 is an apocalyptic number.

It is an amenable number.

3251040261 is a deficient number, since it is larger than the sum of its proper divisors (1843902459).

3251040261 is a wasteful number, since it uses less digits than its factorization.

3251040261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3251040261 is about 57017.8942175174. The cubic root of 3251040261 is about 1481.4060567871.

Adding to 3251040261 its reverse (1620401523), we get a palindrome (4871441784).

It can be divided in two parts, 32510 and 40261, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 3251040261 in words is "three billion, two hundred fifty-one million, forty thousand, two hundred sixty-one".