3261003473 has 16 divisors (see below), whose sum is σ = 4122021120. Its totient is φ = 2510398656.

The previous prime is 3261003443. The next prime is 3261003479. The reversal of 3261003473 is 3743001623.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3261003473 - 2¹⁰ = 3261002449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3261003479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480893 + ... + 487626.

It is an arithmetic number, because the mean of its divisors is an integer number (257626320).

Almost surely, 2^3261003473 is an apocalyptic number.

It is an amenable number.

3261003473 is a deficient number, since it is larger than the sum of its proper divisors (861017647).

3261003473 is a wasteful number, since it uses less digits than its factorization.

3261003473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968576.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 3261003473 is about 57105.1965498763. The cubic root of 3261003473 is about 1482.9178304082.

The spelling of 3261003473 in words is "three billion, two hundred sixty-one million, three thousand, four hundred seventy-three".