245560851 has 6 divisors (see below), whose sum is σ = 354699020. Its totient is φ = 163707228.

The previous prime is 245560841. The next prime is 245560907. The reversal of 245560851 is 158065542.

245560851 is a `hidden beast` number, since 2 + 45 + 5 + 608 + 5 + 1 = 666.

It is not a de Polignac number, because 245560851 - 2⁹ = 245560339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245560841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13642261 + ... + 13642278.

Almost surely, 2^245560851 is an apocalyptic number.

245560851 is a deficient number, since it is larger than the sum of its proper divisors (109138169).

245560851 is a wasteful number, since it uses less digits than its factorization.

245560851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27284545 (or 27284542 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 245560851 is about 15670.3813291190. The cubic root of 245560851 is about 626.2095837280.

The spelling of 245560851 in words is "two hundred forty-five million, five hundred sixty thousand, eight hundred fifty-one".