245057471 has 4 divisors (see below), whose sum is σ = 245422272. Its totient is φ = 244692672.

The previous prime is 245057429. The next prime is 245057521. The reversal of 245057471 is 174750542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245057471 is a prime.

It is a super-3 number, since 3×245057471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245050471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181391 + ... + 182736.

It is an arithmetic number, because the mean of its divisors is an integer number (61355568).

Almost surely, 2^245057471 is an apocalyptic number.

245057471 is a deficient number, since it is larger than the sum of its proper divisors (364801).

245057471 is an equidigital number, since it uses as much as digits as its factorization.

245057471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364800.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 245057471 is about 15654.3115786035. The cubic root of 245057471 is about 625.7813979139.

The spelling of 245057471 in words is "two hundred forty-five million, fifty-seven thousand, four hundred seventy-one".