253085736 has 32 divisors (see below), whose sum is σ = 653126400. Its totient is φ = 81640320.

The previous prime is 253085731. The next prime is 253085737. The reversal of 253085736 is 637580352.

It is a super-3 number, since 3×253085736³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253085694 and 253085703.

It is not an unprimeable number, because it can be changed into a prime (253085731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169341 + ... + 170828.

It is an arithmetic number, because the mean of its divisors is an integer number (20410200).

Almost surely, 2^253085736 is an apocalyptic number.

It is an amenable number.

253085736 is an abundant number, since it is smaller than the sum of its proper divisors (400040664).

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

253085736 is a wasteful number, since it uses less digits than its factorization.

253085736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340209 (or 340205 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 253085736 is about 15908.6685803684. The cubic root of 253085736 is about 632.5417895910.

The spelling of 253085736 in words is "two hundred fifty-three million, eighty-five thousand, seven hundred thirty-six".