245062247 has 4 divisors (see below), whose sum is σ = 257960280. Its totient is φ = 232164216.

The previous prime is 245062243. The next prime is 245062253. The reversal of 245062247 is 742260542.

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 245062247 - 2² = 245062243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245062243) 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, 6448988 + ... + 6449025.

It is an arithmetic number, because the mean of its divisors is an integer number (64490070).

Almost surely, 2^245062247 is an apocalyptic number.

245062247 is a deficient number, since it is larger than the sum of its proper divisors (12898033).

245062247 is a wasteful number, since it uses less digits than its factorization.

245062247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12898032.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 245062247 is about 15654.4641236933. The cubic root of 245062247 is about 625.7854632358.

The spelling of 245062247 in words is "two hundred forty-five million, sixty-two thousand, two hundred forty-seven".