3245120491 has 2 divisors, whose sum is σ = 3245120492. Its totient is φ = 3245120490.

The previous prime is 3245120413. The next prime is 3245120509. The reversal of 3245120491 is 1940215423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3245120491 - 2⁷ = 3245120363 is a prime.

It is a super-2 number, since 2×3245120491² = 21061614002216162162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3245120591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622560245 + 1622560246.

It is an arithmetic number, because the mean of its divisors is an integer number (1622560246).

Almost surely, 2^3245120491 is an apocalyptic number.

3245120491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245120491 is an equidigital number, since it uses as much as digits as its factorization.

3245120491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3245120491 is about 56965.9590545090. The cubic root of 3245120491 is about 1480.5063538592.

The spelling of 3245120491 in words is "three billion, two hundred forty-five million, one hundred twenty thousand, four hundred ninety-one".