253307716 has 12 divisors (see below), whose sum is σ = 447356140. Its totient is φ = 125491680.

The previous prime is 253307699. The next prime is 253307729. The reversal of 253307716 is 617703352.

It can be written as a sum of positive squares in 2 ways, for example, as 217857600 + 35450116 = 14760^2 + 5954^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290055 + ... + 290926.

Almost surely, 2^253307716 is an apocalyptic number.

It is an amenable number.

253307716 is a deficient number, since it is larger than the sum of its proper divisors (194048424).

253307716 is a wasteful number, since it uses less digits than its factorization.

253307716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581094 (or 581092 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 253307716 is about 15915.6437507253. The cubic root of 253307716 is about 632.7266684352.

The spelling of 253307716 in words is "two hundred fifty-three million, three hundred seven thousand, seven hundred sixteen".