253385770 has 32 divisors (see below), whose sum is σ = 502505856. Its totient is φ = 91224000.

The previous prime is 253385749. The next prime is 253385773. The reversal of 253385770 is 77583352.

253385770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253385773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (15703308).

Almost surely, 2^253385770 is an apocalyptic number.

253385770 is a deficient number, since it is larger than the sum of its proper divisors (249120086).

253385770 is a wasteful number, since it uses less digits than its factorization.

253385770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22926.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 253385770 is about 15918.0956775614. The cubic root of 253385770 is about 632.7916510268.

The spelling of 253385770 in words is "two hundred fifty-three million, three hundred eighty-five thousand, seven hundred seventy".