245704 has 8 divisors (see below), whose sum is σ = 460710. Its totient is φ = 122848.

The previous prime is 245683. The next prime is 245711. The reversal of 245704 is 407542.

It can be written as a sum of positive squares in only one way, i.e., 161604 + 84100 = 402^2 + 290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15349 + ... + 15364.

2²⁴⁵⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

245704 is a deficient number, since it is larger than the sum of its proper divisors (215006).

245704 is a wasteful number, since it uses less digits than its factorization.

245704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30719 (or 30715 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 245704 is about 495.6853840895. The cubic root of 245704 is about 62.6331242456.

It can be divided in two parts, 245 and 704, that added together give a palindrome (949).

The spelling of 245704 in words is "two hundred forty-five thousand, seven hundred four".