242545361 has 4 divisors (see below), whose sum is σ = 243815424. Its totient is φ = 241275300.

The previous prime is 242545351. The next prime is 242545399. The reversal of 242545361 is 163545242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242545361 - 2⁶ = 242545297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242545351) 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, 634745 + ... + 635126.

It is an arithmetic number, because the mean of its divisors is an integer number (60953856).

Almost surely, 2^242545361 is an apocalyptic number.

It is an amenable number.

242545361 is a deficient number, since it is larger than the sum of its proper divisors (1270063).

242545361 is a wasteful number, since it uses less digits than its factorization.

242545361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270062.

The product of its digits is 28800, while the sum is 32.

The square root of 242545361 is about 15573.8678882287. The cubic root of 242545361 is about 623.6357322578.

The spelling of 242545361 in words is "two hundred forty-two million, five hundred forty-five thousand, three hundred sixty-one".