253297286 has 16 divisors (see below), whose sum is σ = 417916368. Its totient is φ = 115133920.

The previous prime is 253297267. The next prime is 253297307. The reversal of 253297286 is 682792352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44915 + ... + 50238.

It is an arithmetic number, because the mean of its divisors is an integer number (26119773).

Almost surely, 2^253297286 is an apocalyptic number.

253297286 is a deficient number, since it is larger than the sum of its proper divisors (164619082).

253297286 is an equidigital number, since it uses as much as digits as its factorization.

253297286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95188 (or 95166 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 253297286 is about 15915.3160823152. The cubic root of 253297286 is about 632.7179840968.

The spelling of 253297286 in words is "two hundred fifty-three million, two hundred ninety-seven thousand, two hundred eighty-six".