242754019 has 4 divisors (see below), whose sum is σ = 243241000. Its totient is φ = 242267040.

The previous prime is 242754011. The next prime is 242754037. The reversal of 242754019 is 910457242.

242754019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910457242 = 2 ⋅455228621.

It is a cyclic number.

It is not a de Polignac number, because 242754019 - 2³ = 242754011 is a prime.

It is a super-2 number, since 2×242754019² = 117859027481304722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242754011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242742 + ... + 243739.

It is an arithmetic number, because the mean of its divisors is an integer number (60810250).

Almost surely, 2^242754019 is an apocalyptic number.

242754019 is a deficient number, since it is larger than the sum of its proper divisors (486981).

242754019 is an equidigital number, since it uses as much as digits as its factorization.

242754019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486980.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 242754019 is about 15580.5654261968. The cubic root of 242754019 is about 623.8145157049.

The spelling of 242754019 in words is "two hundred forty-two million, seven hundred fifty-four thousand, nineteen".