3215205053 has 6 divisors (see below), whose sum is σ = 3415460346. Its totient is φ = 3026075072.

The previous prime is 3215205017. The next prime is 3215205067. The reversal of 3215205053 is 3505025123.

It can be written as a sum of positive squares in 3 ways, for example, as 2292685924 + 922519129 = 47882^2 + 30373^2 .

It is not a de Polignac number, because 3215205053 - 2¹⁸ = 3214942909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215205853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5562350 + ... + 5562927.

It is an arithmetic number, because the mean of its divisors is an integer number (569243391).

Almost surely, 2^3215205053 is an apocalyptic number.

It is an amenable number.

3215205053 is a deficient number, since it is larger than the sum of its proper divisors (200255293).

3215205053 is a wasteful number, since it uses less digits than its factorization.

3215205053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125311 (or 11125294 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 3215205053 is about 56702.7781770876. The cubic root of 3215205053 is about 1475.9429080536.

The spelling of 3215205053 in words is "three billion, two hundred fifteen million, two hundred five thousand, fifty-three".