245334561 has 8 divisors (see below), whose sum is σ = 327576960. Its totient is φ = 163324272.

The previous prime is 245334559. The next prime is 245334571. The reversal of 245334561 is 165433542.

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

It is not a de Polignac number, because 245334561 - 2¹ = 245334559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245334521) 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, 55545 + ... + 59798.

It is an arithmetic number, because the mean of its divisors is an integer number (40947120).

Almost surely, 2^245334561 is an apocalyptic number.

It is an amenable number.

245334561 is a deficient number, since it is larger than the sum of its proper divisors (82242399).

245334561 is a wasteful number, since it uses less digits than its factorization.

245334561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116055.

The product of its digits is 43200, while the sum is 33.

The square root of 245334561 is about 15663.1593556345. The cubic root of 245334561 is about 626.0171690759.

The spelling of 245334561 in words is "two hundred forty-five million, three hundred thirty-four thousand, five hundred sixty-one".