245557271 has 8 divisors (see below), whose sum is σ = 254511840. Its totient is φ = 236724768.

The previous prime is 245557267. The next prime is 245557289. The reversal of 245557271 is 172755542.

245557271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245557271 - 2² = 245557267 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 (245553271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26411 + ... + 34476.

It is an arithmetic number, because the mean of its divisors is an integer number (31813980).

Almost surely, 2^245557271 is an apocalyptic number.

245557271 is a deficient number, since it is larger than the sum of its proper divisors (8954569).

245557271 is a wasteful number, since it uses less digits than its factorization.

245557271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61033.

The product of its digits is 98000, while the sum is 38.

The square root of 245557271 is about 15670.2671004677. The cubic root of 245557271 is about 626.2065405703.

The spelling of 245557271 in words is "two hundred forty-five million, five hundred fifty-seven thousand, two hundred seventy-one".