3125265949 has 4 divisors (see below), whose sum is σ = 3365671036. Its totient is φ = 2884860864.

The previous prime is 3125265947. The next prime is 3125265953. The reversal of 3125265949 is 9495625213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 663320025 + 2461945924 = 25755^2 + 49618^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125265949 - 2¹ = 3125265947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3125265899 and 3125265908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125265943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120202524 + ... + 120202549.

It is an arithmetic number, because the mean of its divisors is an integer number (841417759).

Almost surely, 2^3125265949 is an apocalyptic number.

It is an amenable number.

3125265949 is a deficient number, since it is larger than the sum of its proper divisors (240405087).

3125265949 is a wasteful number, since it uses less digits than its factorization.

3125265949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240405086.

The product of its digits is 583200, while the sum is 46.

The square root of 3125265949 is about 55904.0781070576. The cubic root of 3125265949 is about 1462.0503420416.

The spelling of 3125265949 in words is "three billion, one hundred twenty-five million, two hundred sixty-five thousand, nine hundred forty-nine".