245716271 has 4 divisors (see below), whose sum is σ = 248676792. Its totient is φ = 242755752.

The previous prime is 245716267. The next prime is 245716349. The reversal of 245716271 is 172617542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172617542 = 2 ⋅86308771.

It is a cyclic number.

It is not a de Polignac number, because 245716271 - 2² = 245716267 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 (245716201) 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, 1480136 + ... + 1480301.

It is an arithmetic number, because the mean of its divisors is an integer number (62169198).

Almost surely, 2^245716271 is an apocalyptic number.

245716271 is a deficient number, since it is larger than the sum of its proper divisors (2960521).

245716271 is an equidigital number, since it uses as much as digits as its factorization.

245716271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960520.

The product of its digits is 23520, while the sum is 35.

The square root of 245716271 is about 15675.3395816486. The cubic root of 245716271 is about 626.3416690710.

The spelling of 245716271 in words is "two hundred forty-five million, seven hundred sixteen thousand, two hundred seventy-one".