3214545515 has 4 divisors (see below), whose sum is σ = 3857454624. Its totient is φ = 2571636408.

The previous prime is 3214545511. The next prime is 3214545517. The reversal of 3214545515 is 5155454123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5155454123 = 8783 ⋅586981.

It is a cyclic number.

It is not a de Polignac number, because 3214545515 - 2² = 3214545511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3214545511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321454547 + ... + 321454556.

It is an arithmetic number, because the mean of its divisors is an integer number (964363656).

Almost surely, 2^3214545515 is an apocalyptic number.

3214545515 is a deficient number, since it is larger than the sum of its proper divisors (642909109).

3214545515 is an equidigital number, since it uses as much as digits as its factorization.

3214545515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642909108.

The product of its digits is 60000, while the sum is 35.

The square root of 3214545515 is about 56696.9621320226. The cubic root of 3214545515 is about 1475.8419806388.

Adding to 3214545515 its reverse (5155454123), we get a palindrome (8369999638).

The spelling of 3214545515 in words is "three billion, two hundred fourteen million, five hundred forty-five thousand, five hundred fifteen".