245084487 has 4 divisors (see below), whose sum is σ = 326779320. Its totient is φ = 163389656.

The previous prime is 245084471. The next prime is 245084491. The reversal of 245084487 is 784480542.

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 245084487 - 2⁴ = 245084471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245084417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40847412 + ... + 40847417.

It is an arithmetic number, because the mean of its divisors is an integer number (81694830).

Almost surely, 2^245084487 is an apocalyptic number.

245084487 is a deficient number, since it is larger than the sum of its proper divisors (81694833).

245084487 is an equidigital number, since it uses as much as digits as its factorization.

245084487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81694832.

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 245084487 is about 15655.1744480858. The cubic root of 245084487 is about 625.8043931851.

The spelling of 245084487 in words is "two hundred forty-five million, eighty-four thousand, four hundred eighty-seven".