3250505491 has 2 divisors, whose sum is σ = 3250505492. Its totient is φ = 3250505490.

The previous prime is 3250505483. The next prime is 3250505501. The reversal of 3250505491 is 1945050523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3250505491 - 2³ = 3250505483 is a prime.

It is not a weakly prime, because it can be changed into another prime (3250505431) 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, 1625252745 + 1625252746.

It is an arithmetic number, because the mean of its divisors is an integer number (1625252746).

Almost surely, 2^3250505491 is an apocalyptic number.

3250505491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3250505491 is an equidigital number, since it uses as much as digits as its factorization.

3250505491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 3250505491 is about 57013.2045319328. The cubic root of 3250505491 is about 1481.3248258687.

The spelling of 3250505491 in words is "three billion, two hundred fifty million, five hundred five thousand, four hundred ninety-one".