3144252561 has 16 divisors (see below), whose sum is σ = 4440173184. Its totient is φ = 1972318464.

The previous prime is 3144252557. The next prime is 3144252583. The reversal of 3144252561 is 1652524413.

It is not a de Polignac number, because 3144252561 - 2² = 3144252557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3144252511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259116 + ... + 270978.

It is an arithmetic number, because the mean of its divisors is an integer number (277510824).

Almost surely, 2^3144252561 is an apocalyptic number.

It is an amenable number.

3144252561 is a deficient number, since it is larger than the sum of its proper divisors (1295920623).

3144252561 is a wasteful number, since it uses less digits than its factorization.

3144252561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17080.

The product of its digits is 28800, while the sum is 33.

The square root of 3144252561 is about 56073.6351684105. The cubic root of 3144252561 is about 1465.0051153203.

Adding to 3144252561 its reverse (1652524413), we get a palindrome (4796776974).

The spelling of 3144252561 in words is "three billion, one hundred forty-four million, two hundred fifty-two thousand, five hundred sixty-one".