242963057 has 4 divisors (see below), whose sum is σ = 243075060. Its totient is φ = 242851056.

The previous prime is 242963041. The next prime is 242963087. The reversal of 242963057 is 750369242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205520896 + 37442161 = 14336^2 + 6119^2 .

It is a cyclic number.

It is not a de Polignac number, because 242963057 - 2⁴ = 242963041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242963057.

It is not an unprimeable number, because it can be changed into a prime (242963087) 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, 52682 + ... + 57107.

It is an arithmetic number, because the mean of its divisors is an integer number (60768765).

Almost surely, 2^242963057 is an apocalyptic number.

It is an amenable number.

242963057 is a deficient number, since it is larger than the sum of its proper divisors (112003).

242963057 is a wasteful number, since it uses less digits than its factorization.

242963057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112002.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 242963057 is about 15587.2722758025. The cubic root of 242963057 is about 623.9935220468.

The spelling of 242963057 in words is "two hundred forty-two million, nine hundred sixty-three thousand, fifty-seven".