3205250406 has 32 divisors (see below), whose sum is σ = 7130142720. Its totient is φ = 1067312232.

The previous prime is 3205250387. The next prime is 3205250413. The reversal of 3205250406 is 6040525023.

3205250406 is a `hidden beast` number, since 3 + 2 + 0 + 5 + 250 + 406 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3205250406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22891 + ... + 83273.

It is an arithmetic number, because the mean of its divisors is an integer number (222816960).

Almost surely, 2^3205250406 is an apocalyptic number.

3205250406 is an abundant number, since it is smaller than the sum of its proper divisors (3924892314).

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

3205250406 is a wasteful number, since it uses less digits than its factorization.

3205250406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61377 (or 61371 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3205250406 is about 56614.9309458203. The cubic root of 3205250406 is about 1474.4181032845.

Adding to 3205250406 its reverse (6040525023), we get a palindrome (9245775429).

The spelling of 3205250406 in words is "three billion, two hundred five million, two hundred fifty thousand, four hundred six".