3247003540 has 36 divisors (see below), whose sum is σ = 7494948468. Its totient is φ = 1180727680.

The previous prime is 3247003477. The next prime is 3247003547. The reversal of 3247003540 is 453007423.

It can be written as a sum of positive squares in 2 ways, for example, as 610386436 + 2636617104 = 24706^2 + 51348^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3247003499 and 3247003508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3247003547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668449 + ... + 673288.

It is an arithmetic number, because the mean of its divisors is an integer number (208193013).

Almost surely, 2^3247003540 is an apocalyptic number.

It is an amenable number.

3247003540 is an abundant number, since it is smaller than the sum of its proper divisors (4247944928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3247003540 is a wasteful number, since it uses less digits than its factorization.

3247003540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341768 (or 1341755 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 3247003540 is about 56982.4845018186. The cubic root of 3247003540 is about 1480.7926634073.

The spelling of 3247003540 in words is "three billion, two hundred forty-seven million, three thousand, five hundred forty".