3215255213 has 2 divisors, whose sum is σ = 3215255214. Its totient is φ = 3215255212.

The previous prime is 3215255177. The next prime is 3215255249. The reversal of 3215255213 is 3125525123.

It is a balanced prime because it is at equal distance from previous prime (3215255177) and next prime (3215255249).

It can be written as a sum of positive squares in only one way, i.e., 2296134724 + 919120489 = 47918^2 + 30317^2 .

It is a cyclic number.

It is not a de Polignac number, because 3215255213 - 2⁶ = 3215255149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3215255273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607627606 + 1607627607.

It is an arithmetic number, because the mean of its divisors is an integer number (1607627607).

Almost surely, 2^3215255213 is an apocalyptic number.

It is an amenable number.

3215255213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215255213 is an equidigital number, since it uses as much as digits as its factorization.

3215255213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 3215255213 is about 56703.2204817328. The cubic root of 3215255213 is about 1475.9505833454.

It can be divided in two parts, 3215 and 255213, that multiplied together give a triangular number (820509795 = T₄₀₅₀₉).

The spelling of 3215255213 in words is "three billion, two hundred fifteen million, two hundred fifty-five thousand, two hundred thirteen".