3257805473 has 4 divisors (see below), whose sum is σ = 3508405908. Its totient is φ = 3007205040.

The previous prime is 3257805433. The next prime is 3257805503. The reversal of 3257805473 is 3745087523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 909143104 + 2348662369 = 30152^2 + 48463^2 .

It is a cyclic number.

It is not a de Polignac number, because 3257805473 - 2¹⁸ = 3257543329 is a prime.

It is a super-2 number, since 2×3257805473² = 21226592999817507458, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3257805413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125300198 + ... + 125300223.

It is an arithmetic number, because the mean of its divisors is an integer number (877101477).

Almost surely, 2^3257805473 is an apocalyptic number.

It is an amenable number.

3257805473 is a deficient number, since it is larger than the sum of its proper divisors (250600435).

3257805473 is a wasteful number, since it uses less digits than its factorization.

3257805473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250600434.

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 3257805473 is about 57077.1887271964. The cubic root of 3257805473 is about 1482.4329160400.

The spelling of 3257805473 in words is "three billion, two hundred fifty-seven million, eight hundred five thousand, four hundred seventy-three".