3156425557 has 2 divisors, whose sum is σ = 3156425558. Its totient is φ = 3156425556.

The previous prime is 3156425527. The next prime is 3156425567. The reversal of 3156425557 is 7555246513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2372761521 + 783664036 = 48711^2 + 27994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3156425557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3156425507) 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 as a sum of consecutive naturals, namely, 1578212778 + 1578212779.

It is an arithmetic number, because the mean of its divisors is an integer number (1578212779).

Almost surely, 2^3156425557 is an apocalyptic number.

It is an amenable number.

3156425557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156425557 is an equidigital number, since it uses as much as digits as its factorization.

3156425557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630000, while the sum is 43.

The square root of 3156425557 is about 56182.0750506779. The cubic root of 3156425557 is about 1466.8932732911.

It can be divided in two parts, 31564 and 25557, that added together give a square (57121 = 239²).

The spelling of 3156425557 in words is "three billion, one hundred fifty-six million, four hundred twenty-five thousand, five hundred fifty-seven".