3506425081 has 2 divisors, whose sum is σ = 3506425082. Its totient is φ = 3506425080.

The previous prime is 3506425073. The next prime is 3506425103. The reversal of 3506425081 is 1805246053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3219427600 + 286997481 = 56740^2 + 16941^2 .

It is a cyclic number.

It is not a de Polignac number, because 3506425081 - 2³ = 3506425073 is a prime.

It is a super-2 number, since 2×3506425081² = 24590033697331713122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3506425031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753212540 + 1753212541.

It is an arithmetic number, because the mean of its divisors is an integer number (1753212541).

Almost surely, 2^3506425081 is an apocalyptic number.

It is an amenable number.

3506425081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506425081 is an equidigital number, since it uses as much as digits as its factorization.

3506425081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 3506425081 is about 59215.0747783029. The cubic root of 3506425081 is about 1519.2229813499. Note that the first 3 decimals are identical.

The spelling of 3506425081 in words is "three billion, five hundred six million, four hundred twenty-five thousand, eighty-one".