45821471 has 2 divisors, whose sum is σ = 45821472. Its totient is φ = 45821470.

The previous prime is 45821467. The next prime is 45821491. The reversal of 45821471 is 17412854.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45821471 - 2² = 45821467 is a prime.

It is a super-3 number, since 3×45821471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45821401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22910735 + 22910736.

It is an arithmetic number, because the mean of its divisors is an integer number (22910736).

Almost surely, 2^45821471 is an apocalyptic number.

45821471 is a deficient number, since it is larger than the sum of its proper divisors (1).

45821471 is an equidigital number, since it uses as much as digits as its factorization.

45821471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 32.

The square root of 45821471 is about 6769.1558557918. The cubic root of 45821471 is about 357.8406513869.

The spelling of 45821471 in words is "forty-five million, eight hundred twenty-one thousand, four hundred seventy-one".