242005519 has 16 divisors (see below), whose sum is σ = 280960000. Its totient is φ = 204164064.

The previous prime is 242005501. The next prime is 242005571. The reversal of 242005519 is 915500242.

It is a cyclic number.

It is not a de Polignac number, because 242005519 - 2⁵ = 242005487 is a prime.

It is a super-2 number, since 2×242005519² = 117133342452918722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242005919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275509 + ... + 276385.

It is an arithmetic number, because the mean of its divisors is an integer number (17560000).

Almost surely, 2^242005519 is an apocalyptic number.

242005519 is a deficient number, since it is larger than the sum of its proper divisors (38954481).

242005519 is an equidigital number, since it uses as much as digits as its factorization.

242005519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 242005519 is about 15556.5265724711. The cubic root of 242005519 is about 623.1727056792.

The spelling of 242005519 in words is "two hundred forty-two million, five thousand, five hundred nineteen".