245655007 has 4 divisors (see below), whose sum is σ = 264551560. Its totient is φ = 226758456.

The previous prime is 245654993. The next prime is 245655013. The reversal of 245655007 is 700556542.

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

It is a cyclic number.

It is not a de Polignac number, because 245655007 - 2¹⁹ = 245130719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245655077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9448257 + ... + 9448282.

It is an arithmetic number, because the mean of its divisors is an integer number (66137890).

Almost surely, 2^245655007 is an apocalyptic number.

245655007 is a deficient number, since it is larger than the sum of its proper divisors (18896553).

245655007 is a wasteful number, since it uses less digits than its factorization.

245655007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896552.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 245655007 is about 15673.3853075843. The cubic root of 245655007 is about 626.2896098601.

The spelling of 245655007 in words is "two hundred forty-five million, six hundred fifty-five thousand, seven".