245554271 has 4 divisors (see below), whose sum is σ = 258478200. Its totient is φ = 232630344.

The previous prime is 245554241. The next prime is 245554291. The reversal of 245554271 is 172455542.

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 245554271 - 2¹⁰ = 245553247 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 (245554201) 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, 6461936 + ... + 6461973.

It is an arithmetic number, because the mean of its divisors is an integer number (64619550).

Almost surely, 2^245554271 is an apocalyptic number.

245554271 is a deficient number, since it is larger than the sum of its proper divisors (12923929).

245554271 is a wasteful number, since it uses less digits than its factorization.

245554271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923928.

The product of its digits is 56000, while the sum is 35.

The square root of 245554271 is about 15670.1713774930. The cubic root of 245554271 is about 626.2039904153.

The spelling of 245554271 in words is "two hundred forty-five million, five hundred fifty-four thousand, two hundred seventy-one".