242637201 has 24 divisors (see below), whose sum is σ = 382593120. Its totient is φ = 153241632.

The previous prime is 242637173. The next prime is 242637223. The reversal of 242637201 is 102736242.

242637201 is a `hidden beast` number, since 2 + 4 + 2 + 637 + 20 + 1 = 666.

It is not a de Polignac number, because 242637201 - 2¹¹ = 242635153 is a prime.

It is a super-2 number, since 2×242637201² = 117745622618228802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (242637251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21660 + ... + 30893.

It is an arithmetic number, because the mean of its divisors is an integer number (15941380).

Almost surely, 2^242637201 is an apocalyptic number.

It is an amenable number.

242637201 is a deficient number, since it is larger than the sum of its proper divisors (139955919).

242637201 is an equidigital number, since it uses as much as digits as its factorization.

242637201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52587 (or 52575 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 242637201 is about 15576.8161380945. The cubic root of 242637201 is about 623.7144357188.

The spelling of 242637201 in words is "two hundred forty-two million, six hundred thirty-seven thousand, two hundred one".