245698 has 4 divisors (see below), whose sum is σ = 368550. Its totient is φ = 122848.

The previous prime is 245683. The next prime is 245711. The reversal of 245698 is 896542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214369 + 31329 = 463^2 + 177^2 .

It is an unprimeable number.

245698 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61423 + ... + 61426.

2²⁴⁵⁶⁹⁸ is an apocalyptic number.

245698 is a deficient number, since it is larger than the sum of its proper divisors (122852).

245698 is a wasteful number, since it uses less digits than its factorization.

245698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122851.

The product of its digits is 17280, while the sum is 34.

The square root of 245698 is about 495.6793318265. The cubic root of 245698 is about 62.6326144157.

The spelling of 245698 in words is "two hundred forty-five thousand, six hundred ninety-eight".