253064943 has 6 divisors (see below), whose sum is σ = 365538264. Its totient is φ = 168709956.

The previous prime is 253064909. The next prime is 253064957. The reversal of 253064943 is 349460352.

253064943 is a `hidden beast` number, since 2 + 5 + 3 + 0 + 649 + 4 + 3 = 666.

It is not a de Polignac number, because 253064943 - 2⁶ = 253064879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253064898 and 253064907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253064143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14059155 + ... + 14059172.

It is an arithmetic number, because the mean of its divisors is an integer number (60923044).

Almost surely, 2^253064943 is an apocalyptic number.

253064943 is a deficient number, since it is larger than the sum of its proper divisors (112473321).

253064943 is a wasteful number, since it uses less digits than its factorization.

253064943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28118333 (or 28118330 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 253064943 is about 15908.0150553110. The cubic root of 253064943 is about 632.5244663420.

The spelling of 253064943 in words is "two hundred fifty-three million, sixty-four thousand, nine hundred forty-three".