745271171 has 2 divisors, whose sum is σ = 745271172. Its totient is φ = 745271170.

The previous prime is 745271081. The next prime is 745271173. The reversal of 745271171 is 171172547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745271171 - 2¹⁰ = 745270147 is a prime.

It is a super-2 number, since 2×745271171² = 1110858236647422482, which contains 22 as substring.

Together with 745271173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (745271173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372635585 + 372635586.

It is an arithmetic number, because the mean of its divisors is an integer number (372635586).

Almost surely, 2^745271171 is an apocalyptic number.

745271171 is a deficient number, since it is larger than the sum of its proper divisors (1).

745271171 is an equidigital number, since it uses as much as digits as its factorization.

745271171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13720, while the sum is 35.

The square root of 745271171 is about 27299.6551443420. The cubic root of 745271171 is about 906.6467462613.

The spelling of 745271171 in words is "seven hundred forty-five million, two hundred seventy-one thousand, one hundred seventy-one".