242276913 has 20 divisors (see below), whose sum is σ = 370752228. Its totient is φ = 157576320.

The previous prime is 242276899. The next prime is 242276927. The reversal of 242276913 is 319672242.

242276913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242276899) and next prime (242276927).

It can be written as a sum of positive squares in 2 ways, for example, as 53406864 + 188870049 = 7308^2 + 13743^2 .

It is not a de Polignac number, because 242276913 - 2¹³ = 242268721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242276113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33156 + ... + 39797.

Almost surely, 2^242276913 is an apocalyptic number.

It is an amenable number.

242276913 is a deficient number, since it is larger than the sum of its proper divisors (128475315).

242276913 is an equidigital number, since it uses as much as digits as its factorization.

242276913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73006 (or 72997 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 242276913 is about 15565.2469623839. The cubic root of 242276913 is about 623.4055683459.

The spelling of 242276913 in words is "two hundred forty-two million, two hundred seventy-six thousand, nine hundred thirteen".