245492907 has 12 divisors (see below), whose sum is σ = 359786280. Its totient is φ = 148783360.

The previous prime is 245492887. The next prime is 245492909. The reversal of 245492907 is 709294542.

It is a de Polignac number, because none of the positive numbers 2^k-245492907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245492909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337782 + ... + 338507.

It is an arithmetic number, because the mean of its divisors is an integer number (29982190).

Almost surely, 2^245492907 is an apocalyptic number.

245492907 is a deficient number, since it is larger than the sum of its proper divisors (114293373).

245492907 is a wasteful number, since it uses less digits than its factorization.

245492907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676314 (or 676303 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 245492907 is about 15668.2132676320. The cubic root of 245492907 is about 626.1518232877.

The spelling of 245492907 in words is "two hundred forty-five million, four hundred ninety-two thousand, nine hundred seven".