3250605021 has 16 divisors (see below), whose sum is σ = 4409871360. Its totient is φ = 2129465520.

The previous prime is 3250605013. The next prime is 3250605053. The reversal of 3250605021 is 1205060523.

It is not a de Polignac number, because 3250605021 - 2³ = 3250605013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3250604982 and 3250605000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250605011) 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, 17506 + ... + 82508.

It is an arithmetic number, because the mean of its divisors is an integer number (275616960).

Almost surely, 2^3250605021 is an apocalyptic number.

It is an amenable number.

3250605021 is a deficient number, since it is larger than the sum of its proper divisors (1159266339).

3250605021 is a wasteful number, since it uses less digits than its factorization.

3250605021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65296.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3250605021 is about 57014.0773932193. The cubic root of 3250605021 is about 1481.3399450305.

Adding to 3250605021 its reverse (1205060523), we get a palindrome (4455665544).

The spelling of 3250605021 in words is "three billion, two hundred fifty million, six hundred five thousand, twenty-one".