242627537 has 8 divisors (see below), whose sum is σ = 249397800. Its totient is φ = 235868544.

The previous prime is 242627533. The next prime is 242627551. The reversal of 242627537 is 735726242.

It can be written as a sum of positive squares in 4 ways, for example, as 43507216 + 199120321 = 6596^2 + 14111^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 242627537 - 2² = 242627533 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 242627537.

It is not an unprimeable number, because it can be changed into a prime (242627533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59789 + ... + 63717.

It is an arithmetic number, because the mean of its divisors is an integer number (31174725).

Almost surely, 2^242627537 is an apocalyptic number.

It is an amenable number.

242627537 is a deficient number, since it is larger than the sum of its proper divisors (6770263).

242627537 is a wasteful number, since it uses less digits than its factorization.

242627537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635.

The product of its digits is 141120, while the sum is 38.

The square root of 242627537 is about 15576.5059304069. The cubic root of 242627537 is about 623.7061549656.

The spelling of 242627537 in words is "two hundred forty-two million, six hundred twenty-seven thousand, five hundred thirty-seven".