3125450775 has 12 divisors (see below), whose sum is σ = 5167412072. Its totient is φ = 1666907040.

The previous prime is 3125450761. The next prime is 3125450777. The reversal of 3125450775 is 5770545213.

It is a happy number.

It is not a de Polignac number, because 3125450775 - 2²⁵ = 3091896343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125450777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20836264 + ... + 20836413.

Almost surely, 2^3125450775 is an apocalyptic number.

3125450775 is a deficient number, since it is larger than the sum of its proper divisors (2041961297).

3125450775 is a wasteful number, since it uses less digits than its factorization.

3125450775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41672690 (or 41672685 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 3125450775 is about 55905.7311462787. The cubic root of 3125450775 is about 1462.0791630117.

Adding to 3125450775 its reverse (5770545213), we get a palindrome (8895995988).

The spelling of 3125450775 in words is "three billion, one hundred twenty-five million, four hundred fifty thousand, seven hundred seventy-five".