3255250561 has 8 divisors (see below), whose sum is σ = 3315866760. Its totient is φ = 3195168768.

The previous prime is 3255250549. The next prime is 3255250577. The reversal of 3255250561 is 1650525523.

3255250561 = T₆₈₂₅ + T₆₈₂₆ + ... + T₆₉₆₁.

It can be written as a sum of positive squares in 4 ways, for example, as 221444161 + 3033806400 = 14881^2 + 55080^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3255250561 - 2⁷ = 3255250433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3255250961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121296 + ... + 145681.

It is an arithmetic number, because the mean of its divisors is an integer number (414483345).

Almost surely, 2^3255250561 is an apocalyptic number.

It is an amenable number.

3255250561 is a deficient number, since it is larger than the sum of its proper divisors (60616199).

3255250561 is a wasteful number, since it uses less digits than its factorization.

3255250561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267203.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 3255250561 is about 57054.8031369840. The cubic root of 3255250561 is about 1482.0452853468.

The spelling of 3255250561 in words is "three billion, two hundred fifty-five million, two hundred fifty thousand, five hundred sixty-one".