242526081 has 16 divisors (see below), whose sum is σ = 369787904. Its totient is φ = 138502224.

The previous prime is 242526079. The next prime is 242526139. The reversal of 242526081 is 180625242.

242526081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242526081 - 2¹ = 242526079 is a prime.

It is a super-2 number, since 2×242526081² = 117637799930437122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242526001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53406 + ... + 57768.

It is an arithmetic number, because the mean of its divisors is an integer number (23111744).

Almost surely, 2^242526081 is an apocalyptic number.

242526081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

242526081 is a deficient number, since it is larger than the sum of its proper divisors (127261823).

242526081 is a wasteful number, since it uses less digits than its factorization.

242526081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 242526081 is about 15573.2488903247. The cubic root of 242526081 is about 623.6192074924.

The spelling of 242526081 in words is "two hundred forty-two million, five hundred twenty-six thousand, eighty-one".