89251471 has 2 divisors, whose sum is σ = 89251472. Its totient is φ = 89251470.

The previous prime is 89251469. The next prime is 89251507. The reversal of 89251471 is 17415298.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89251471 - 2¹ = 89251469 is a prime.

It is a super-3 number, since 3×89251471³ (a number of 25 digits) contains 333 as substring.

Together with 89251469, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89251471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89251871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44625735 + 44625736.

It is an arithmetic number, because the mean of its divisors is an integer number (44625736).

Almost surely, 2^89251471 is an apocalyptic number.

89251471 is a deficient number, since it is larger than the sum of its proper divisors (1).

89251471 is an equidigital number, since it uses as much as digits as its factorization.

89251471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 89251471 is about 9447.2996671006. The cubic root of 89251471 is about 446.8946212129.

The spelling of 89251471 in words is "eighty-nine million, two hundred fifty-one thousand, four hundred seventy-one".