3218273253 has 48 divisors (see below), whose sum is σ = 5144455680. Its totient is φ = 1937778336.

The previous prime is 3218273251. The next prime is 3218273273. The reversal of 3218273253 is 3523728123.

3218273253 is a `hidden beast` number, since 321 + 8 + 2 + 7 + 325 + 3 = 666.

It is not a de Polignac number, because 3218273253 - 2¹ = 3218273251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218273251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 927600 + ... + 931062.

It is an arithmetic number, because the mean of its divisors is an integer number (107176160).

Almost surely, 2^3218273253 is an apocalyptic number.

It is an amenable number.

3218273253 is a deficient number, since it is larger than the sum of its proper divisors (1926182427).

3218273253 is a wasteful number, since it uses less digits than its factorization.

3218273253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555 (or 3526 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3218273253 is about 56729.8268373878. The cubic root of 3218273253 is about 1476.4122454924.

The spelling of 3218273253 in words is "three billion, two hundred eighteen million, two hundred seventy-three thousand, two hundred fifty-three".