253069736 has 16 divisors (see below), whose sum is σ = 495136800. Its totient is φ = 121033264.

The previous prime is 253069697. The next prime is 253069777. The reversal of 253069736 is 637960352.

It is a junction number, because it is equal to n+sod(n) for n = 253069693 and 253069702.

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, 687506 + ... + 687873.

It is an arithmetic number, because the mean of its divisors is an integer number (30946050).

Almost surely, 2^253069736 is an apocalyptic number.

It is an amenable number.

253069736 is a deficient number, since it is larger than the sum of its proper divisors (242067064).

253069736 is a wasteful number, since it uses less digits than its factorization.

253069736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375408 (or 1375404 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 253069736 is about 15908.1657019281. The cubic root of 253069736 is about 632.5284596129.

The spelling of 253069736 in words is "two hundred fifty-three million, sixty-nine thousand, seven hundred thirty-six".