45321271 has 2 divisors, whose sum is σ = 45321272. Its totient is φ = 45321270.

The previous prime is 45321239. The next prime is 45321281. The reversal of 45321271 is 17212354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45321271 - 2⁵ = 45321239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45321281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22660635 + 22660636.

It is an arithmetic number, because the mean of its divisors is an integer number (22660636).

Almost surely, 2^45321271 is an apocalyptic number.

45321271 is a deficient number, since it is larger than the sum of its proper divisors (1).

45321271 is an equidigital number, since it uses as much as digits as its factorization.

45321271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 45321271 is about 6732.1074709187. The cubic root of 45321271 is about 356.5337881971.

The spelling of 45321271 in words is "forty-five million, three hundred twenty-one thousand, two hundred seventy-one".