99545471 has 2 divisors, whose sum is σ = 99545472. Its totient is φ = 99545470.

The previous prime is 99545437. The next prime is 99545477. The reversal of 99545471 is 17454599.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99545471 is a prime.

It is a super-3 number, since 3×99545471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99545477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49772735 + 49772736.

It is an arithmetic number, because the mean of its divisors is an integer number (49772736).

Almost surely, 2^99545471 is an apocalyptic number.

99545471 is a deficient number, since it is larger than the sum of its proper divisors (1).

99545471 is an equidigital number, since it uses as much as digits as its factorization.

99545471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 99545471 is about 9977.2476665662. The cubic root of 99545471 is about 463.4545696006.

The spelling of 99545471 in words is "ninety-nine million, five hundred forty-five thousand, four hundred seventy-one".