745825271 has 2 divisors, whose sum is σ = 745825272. Its totient is φ = 745825270.

The previous prime is 745825261. The next prime is 745825273. The reversal of 745825271 is 172528547.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745825271 is a prime.

It is a Sophie Germain prime.

Together with 745825273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745825273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372912635 + 372912636.

It is an arithmetic number, because the mean of its divisors is an integer number (372912636).

Almost surely, 2^745825271 is an apocalyptic number.

745825271 is a deficient number, since it is larger than the sum of its proper divisors (1).

745825271 is an equidigital number, since it uses as much as digits as its factorization.

745825271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 41.

The square root of 745825271 is about 27309.8017385700. The cubic root of 745825271 is about 906.8713841875.

The spelling of 745825271 in words is "seven hundred forty-five million, eight hundred twenty-five thousand, two hundred seventy-one".