242897053 has 4 divisors (see below), whose sum is σ = 277596640. Its totient is φ = 208197468.

The previous prime is 242897051. The next prime is 242897099. The reversal of 242897053 is 350798242.

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, and also an emirpimes, since its reverse is a distinct semiprime: 350798242 = 2 ⋅175399121.

It is a cyclic number.

It is not a de Polignac number, because 242897053 - 2¹ = 242897051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242896997 and 242897015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242897051) 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, 17349783 + ... + 17349796.

It is an arithmetic number, because the mean of its divisors is an integer number (69399160).

Almost surely, 2^242897053 is an apocalyptic number.

It is an amenable number.

242897053 is a deficient number, since it is larger than the sum of its proper divisors (34699587).

242897053 is an equidigital number, since it uses as much as digits as its factorization.

242897053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34699586.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 242897053 is about 15585.1548917552. The cubic root of 242897053 is about 623.9370116743.

The spelling of 242897053 in words is "two hundred forty-two million, eight hundred ninety-seven thousand, fifty-three".