65213230 has 16 divisors (see below), whose sum is σ = 118310400. Its totient is φ = 25879392.

The previous prime is 65213227. The next prime is 65213251. The reversal of 65213230 is 3231256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24405 + ... + 26944.

It is an arithmetic number, because the mean of its divisors is an integer number (7394400).

Almost surely, 2^65213230 is an apocalyptic number.

65213230 is a deficient number, since it is larger than the sum of its proper divisors (53097170).

65213230 is a wasteful number, since it uses less digits than its factorization.

65213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51483.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 65213230 is about 8075.4708841033. The cubic root of 65213230 is about 402.5117571762.

Adding to 65213230 its reverse (3231256), we get a palindrome (68444486).

The spelling of 65213230 in words is "sixty-five million, two hundred thirteen thousand, two hundred thirty".