253130742 has 12 divisors (see below), whose sum is σ = 548449980. Its totient is φ = 84376908.

The previous prime is 253130741. The next prime is 253130753. The reversal of 253130742 is 247031352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253130741) 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, 7031392 + ... + 7031427.

It is an arithmetic number, because the mean of its divisors is an integer number (45704165).

Almost surely, 2^253130742 is an apocalyptic number.

253130742 is an abundant number, since it is smaller than the sum of its proper divisors (295319238).

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

253130742 is a wasteful number, since it uses less digits than its factorization.

253130742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14062827 (or 14062824 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 253130742 is about 15910.0830293245. The cubic root of 253130742 is about 632.5792821405.

The spelling of 253130742 in words is "two hundred fifty-three million, one hundred thirty thousand, seven hundred forty-two".