245634 has 8 divisors (see below), whose sum is σ = 491280. Its totient is φ = 81876.

The previous prime is 245629. The next prime is 245639. The reversal of 245634 is 436542.

It is an interprime number because it is at equal distance from previous prime (245629) and next prime (245639).

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

245634 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (245639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20464 + ... + 20475.

It is an arithmetic number, because the mean of its divisors is an integer number (61410).

2²⁴⁵⁶³⁴ is an apocalyptic number.

245634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245634 is a wasteful number, since it uses less digits than its factorization.

245634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40944.

The product of its digits is 2880, while the sum is 24.

The square root of 245634 is about 495.6147697557. The cubic root of 245634 is about 62.6271757126.

The spelling of 245634 in words is "two hundred forty-five thousand, six hundred thirty-four".