234802561 has 24 divisors (see below), whose sum is σ = 290464704. Its totient is φ = 188828640.

The previous prime is 234802541. The next prime is 234802567. The reversal of 234802561 is 165208432.

It is not a de Polignac number, because 234802561 - 2⁹ = 234802049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234802567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57766 + ... + 61696.

It is an arithmetic number, because the mean of its divisors is an integer number (12102696).

Almost surely, 2^234802561 is an apocalyptic number.

It is an amenable number.

234802561 is a deficient number, since it is larger than the sum of its proper divisors (55662143).

234802561 is a wasteful number, since it uses less digits than its factorization.

234802561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021 (or 4014 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 234802561 is about 15323.2686134519. The cubic root of 234802561 is about 616.9277085556.

The spelling of 234802561 in words is "two hundred thirty-four million, eight hundred two thousand, five hundred sixty-one".