3125278033 has 2 divisors, whose sum is σ = 3125278034. Its totient is φ = 3125278032.

The previous prime is 3125278031. The next prime is 3125278049. The reversal of 3125278033 is 3308725213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1599360064 + 1525917969 = 39992^2 + 39063^2 .

It is an emirp because it is prime and its reverse (3308725213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125278033 - 2¹ = 3125278031 is a prime.

It is a super-3 number, since 3×3125278033³ (a number of 29 digits) contains 333 as substring.

Together with 3125278031, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3125278033.

It is not a weakly prime, because it can be changed into another prime (3125278031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562639016 + 1562639017.

It is an arithmetic number, because the mean of its divisors is an integer number (1562639017).

Almost surely, 2^3125278033 is an apocalyptic number.

It is an amenable number.

3125278033 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125278033 is an equidigital number, since it uses as much as digits as its factorization.

3125278033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 3125278033 is about 55904.1861849361. The cubic root of 3125278033 is about 1462.0522264032.

The spelling of 3125278033 in words is "three billion, one hundred twenty-five million, two hundred seventy-eight thousand, thirty-three".