242472833 has 2 divisors, whose sum is σ = 242472834. Its totient is φ = 242472832.

The previous prime is 242472817. The next prime is 242472847. The reversal of 242472833 is 338274242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229310449 + 13162384 = 15143^2 + 3628^2 .

It is a cyclic number.

It is not a de Polignac number, because 242472833 - 2⁴ = 242472817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242472793 and 242472802.

It is not a weakly prime, because it can be changed into another prime (242472733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121236416 + 121236417.

It is an arithmetic number, because the mean of its divisors is an integer number (121236417).

Almost surely, 2^242472833 is an apocalyptic number.

It is an amenable number.

242472833 is a deficient number, since it is larger than the sum of its proper divisors (1).

242472833 is an equidigital number, since it uses as much as digits as its factorization.

242472833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 242472833 is about 15571.5391981654. The cubic root of 242472833 is about 623.5735644205.

It can be divided in two parts, 2424 and 72833, that added together give a palindrome (75257).

The spelling of 242472833 in words is "two hundred forty-two million, four hundred seventy-two thousand, eight hundred thirty-three".