3213400253 has 12 divisors (see below), whose sum is σ = 3748243392. Its totient is φ = 2746822680.

The previous prime is 3213400243. The next prime is 3213400259. The reversal of 3213400253 is 3520043123.

It is not a de Polignac number, because 3213400253 - 2⁴ = 3213400237 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 (3213400259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71363 + ... + 107328.

It is an arithmetic number, because the mean of its divisors is an integer number (312353616).

Almost surely, 2^3213400253 is an apocalyptic number.

It is an amenable number.

3213400253 is a deficient number, since it is larger than the sum of its proper divisors (534843139).

3213400253 is a wasteful number, since it uses less digits than its factorization.

3213400253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179072 (or 179065 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3213400253 is about 56686.8613789827. The cubic root of 3213400253 is about 1475.6666913173. Note that the first 4 decimals are identical.

Adding to 3213400253 its reverse (3520043123), we get a palindrome (6733443376).

The spelling of 3213400253 in words is "three billion, two hundred thirteen million, four hundred thousand, two hundred fifty-three".