213303460 has 12 divisors (see below), whose sum is σ = 447937308. Its totient is φ = 85321376.

The previous prime is 213303457. The next prime is 213303463. The reversal of 213303460 is 64303312.

It is an interprime number because it is at equal distance from previous prime (213303457) and next prime (213303463).

It can be written as a sum of positive squares in 2 ways, for example, as 68293696 + 145009764 = 8264^2 + 12042^2 .

It is not an unprimeable number, because it can be changed into a prime (213303463) 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, 5332567 + ... + 5332606.

It is an arithmetic number, because the mean of its divisors is an integer number (37328109).

Almost surely, 2^213303460 is an apocalyptic number.

213303460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213303460 is an abundant number, since it is smaller than the sum of its proper divisors (234633848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213303460 is a wasteful number, since it uses less digits than its factorization.

213303460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665182 (or 10665180 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 213303460 is about 14604.9121873430. The cubic root of 213303460 is about 597.4927410520.

Adding to 213303460 its reverse (64303312), we get a palindrome (277606772).

The spelling of 213303460 in words is "two hundred thirteen million, three hundred three thousand, four hundred sixty".