253905246 has 64 divisors (see below), whose sum is σ = 678796800. Its totient is φ = 68724288.

The previous prime is 253905209. The next prime is 253905247. The reversal of 253905246 is 642509352.

253905246 is a `hidden beast` number, since 25 + 390 + 5 + 246 = 666.

253905246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253905246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253905247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10495 + ... + 24858.

It is an arithmetic number, because the mean of its divisors is an integer number (10606200).

Almost surely, 2^253905246 is an apocalyptic number.

253905246 is an abundant number, since it is smaller than the sum of its proper divisors (424891554).

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

253905246 is a wasteful number, since it uses less digits than its factorization.

253905246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35390 (or 35384 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 253905246 is about 15934.4044758504. The cubic root of 253905246 is about 633.2237927510.

The spelling of 253905246 in words is "two hundred fifty-three million, nine hundred five thousand, two hundred forty-six".