245706634 has 8 divisors (see below), whose sum is σ = 368681508. Its totient is φ = 122812800.

The previous prime is 245706619. The next prime is 245706641. The reversal of 245706634 is 436607542.

It can be written as a sum of positive squares in 2 ways, for example, as 237314025 + 8392609 = 15405^2 + 2897^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 245706593 and 245706602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12007 + ... + 25210.

Almost surely, 2^245706634 is an apocalyptic number.

245706634 is a deficient number, since it is larger than the sum of its proper divisors (122974874).

245706634 is a wasteful number, since it uses less digits than its factorization.

245706634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40520.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 245706634 is about 15675.0321849749. The cubic root of 245706634 is about 626.3334805839. Note that the first 3 decimals are identical.

The spelling of 245706634 in words is "two hundred forty-five million, seven hundred six thousand, six hundred thirty-four".