3215121053 has 2 divisors, whose sum is σ = 3215121054. Its totient is φ = 3215121052.

The previous prime is 3215120983. The next prime is 3215121059. The reversal of 3215121053 is 3501215123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2585010649 + 630110404 = 50843^2 + 25102^2 .

It is a cyclic number.

It is not a de Polignac number, because 3215121053 - 2²⁸ = 2946685597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3215121059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607560526 + 1607560527.

It is an arithmetic number, because the mean of its divisors is an integer number (1607560527).

Almost surely, 2^3215121053 is an apocalyptic number.

It is an amenable number.

3215121053 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215121053 is an equidigital number, since it uses as much as digits as its factorization.

3215121053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 3215121053 is about 56702.0374678018. The cubic root of 3215121053 is about 1475.9300545153.

Adding to 3215121053 its reverse (3501215123), we get a palindrome (6716336176).

The spelling of 3215121053 in words is "three billion, two hundred fifteen million, one hundred twenty-one thousand, fifty-three".