253078542 has 24 divisors (see below), whose sum is σ = 550699344. Its totient is φ = 83996064.

The previous prime is 253078523. The next prime is 253078543. The reversal of 253078542 is 245870352.

253078542 is a `hidden beast` number, since 2 + 530 + 7 + 85 + 42 = 666.

253078542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 253078497 and 253078506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253078543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25978 + ... + 34365.

It is an arithmetic number, because the mean of its divisors is an integer number (22945806).

Almost surely, 2^253078542 is an apocalyptic number.

253078542 is an abundant number, since it is smaller than the sum of its proper divisors (297620802).

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

253078542 is a wasteful number, since it uses less digits than its factorization.

253078542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60584 (or 60581 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 253078542 is about 15908.4424756165. The cubic root of 253078542 is about 632.5357961691.

The spelling of 253078542 in words is "two hundred fifty-three million, seventy-eight thousand, five hundred forty-two".