253442286 has 12 divisors (see below), whose sum is σ = 549124992. Its totient is φ = 84480756.

The previous prime is 253442269. The next prime is 253442327. The reversal of 253442286 is 682244352.

253442286 is a `hidden beast` number, since 2 + 534 + 42 + 2 + 86 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 253442286.

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 5 ways as a sum of consecutive naturals, for example, 7040046 + ... + 7040081.

It is an arithmetic number, because the mean of its divisors is an integer number (45760416).

Almost surely, 2^253442286 is an apocalyptic number.

253442286 is an abundant number, since it is smaller than the sum of its proper divisors (295682706).

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

253442286 is a wasteful number, since it uses less digits than its factorization.

253442286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14080135 (or 14080132 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 253442286 is about 15919.8707909329. The cubic root of 253442286 is about 632.8386941768.

The spelling of 253442286 in words is "two hundred fifty-three million, four hundred forty-two thousand, two hundred eighty-six".