242200513 has 8 divisors (see below), whose sum is σ = 261287208. Its totient is φ = 223651584.

The previous prime is 242200493. The next prime is 242200573. The reversal of 242200513 is 315002242.

It can be written as a sum of positive squares in 4 ways, for example, as 68277169 + 173923344 = 8263^2 + 13188^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242200513 is a prime.

It is a super-2 number, since 2×242200513² = 117322176994926338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242200573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133506 + ... + 135307.

It is an arithmetic number, because the mean of its divisors is an integer number (32660901).

Almost surely, 2^242200513 is an apocalyptic number.

It is an amenable number.

242200513 is a deficient number, since it is larger than the sum of its proper divisors (19086695).

242200513 is a wasteful number, since it uses less digits than its factorization.

242200513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268883.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 242200513 is about 15562.7925835950. The cubic root of 242200513 is about 623.3400328778.

Adding to 242200513 its reverse (315002242), we get a palindrome (557202755).

The spelling of 242200513 in words is "two hundred forty-two million, two hundred thousand, five hundred thirteen".