242512533 has 12 divisors (see below), whose sum is σ = 351081900. Its totient is φ = 161312256.

The previous prime is 242512489. The next prime is 242512559. The reversal of 242512533 is 335215242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 166874724 + 75637809 = 12918^2 + 8697^2 .

It is not a de Polignac number, because 242512533 - 2¹⁸ = 242250389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242512497 and 242512506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242512133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25966 + ... + 34047.

It is an arithmetic number, because the mean of its divisors is an integer number (29256825).

Almost surely, 2^242512533 is an apocalyptic number.

It is an amenable number.

242512533 is a deficient number, since it is larger than the sum of its proper divisors (108569367).

242512533 is a wasteful number, since it uses less digits than its factorization.

242512533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60468 (or 60465 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 242512533 is about 15572.8139075762. The cubic root of 242512533 is about 623.6075950639.

Adding to 242512533 its reverse (335215242), we get a palindrome (577727775).

The spelling of 242512533 in words is "two hundred forty-two million, five hundred twelve thousand, five hundred thirty-three".