253712216 has 32 divisors (see below), whose sum is σ = 505491840. Its totient is φ = 118967808.

The previous prime is 253712209. The next prime is 253712257. The reversal of 253712216 is 612217352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36665 + ... + 43031.

It is an arithmetic number, because the mean of its divisors is an integer number (15796620).

Almost surely, 2^253712216 is an apocalyptic number.

It is an amenable number.

253712216 is a deficient number, since it is larger than the sum of its proper divisors (251779624).

253712216 is a wasteful number, since it uses less digits than its factorization.

253712216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683 (or 6679 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 253712216 is about 15928.3463046231. The cubic root of 253712216 is about 633.0632838224.

Adding to 253712216 its reverse (612217352), we get a palindrome (865929568).

The spelling of 253712216 in words is "two hundred fifty-three million, seven hundred twelve thousand, two hundred sixteen".