3249512641 has 2 divisors, whose sum is σ = 3249512642. Its totient is φ = 3249512640.

The previous prime is 3249512633. The next prime is 3249512683. The reversal of 3249512641 is 1462159423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3246720400 + 2792241 = 56980^2 + 1671^2 .

It is a cyclic number.

It is not a de Polignac number, because 3249512641 - 2³ = 3249512633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3249512641.

It is not a weakly prime, because it can be changed into another prime (3249512621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624756320 + 1624756321.

It is an arithmetic number, because the mean of its divisors is an integer number (1624756321).

Almost surely, 2^3249512641 is an apocalyptic number.

It is an amenable number.

3249512641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249512641 is an equidigital number, since it uses as much as digits as its factorization.

3249512641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 3249512641 is about 57004.4966735081. The cubic root of 3249512641 is about 1481.1739895218.

The spelling of 3249512641 in words is "three billion, two hundred forty-nine million, five hundred twelve thousand, six hundred forty-one".