242624553 has 8 divisors (see below), whose sum is σ = 323598816. Its totient is φ = 161700000.

The previous prime is 242624549. The next prime is 242624567. The reversal of 242624553 is 355426242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242624553 - 2² = 242624549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242624573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 22053.

It is an arithmetic number, because the mean of its divisors is an integer number (40449852).

Almost surely, 2^242624553 is an apocalyptic number.

It is an amenable number.

242624553 is a deficient number, since it is larger than the sum of its proper divisors (80974263).

242624553 is a wasteful number, since it uses less digits than its factorization.

242624553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24855.

The product of its digits is 57600, while the sum is 33.

The square root of 242624553 is about 15576.4101448312. The cubic root of 242624553 is about 623.7035980330.

The spelling of 242624553 in words is "two hundred forty-two million, six hundred twenty-four thousand, five hundred fifty-three".