89394251 has 2 divisors, whose sum is σ = 89394252. Its totient is φ = 89394250.

The previous prime is 89394229. The next prime is 89394287. The reversal of 89394251 is 15249398.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89394251 is a prime.

It is a super-2 number, since 2×89394251² = 15982664223702002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 89394199 and 89394208.

It is not a weakly prime, because it can be changed into another prime (89393251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44697125 + 44697126.

It is an arithmetic number, because the mean of its divisors is an integer number (44697126).

Almost surely, 2^89394251 is an apocalyptic number.

89394251 is a deficient number, since it is larger than the sum of its proper divisors (1).

89394251 is an equidigital number, since it uses as much as digits as its factorization.

89394251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 89394251 is about 9454.8533039916. The cubic root of 89394251 is about 447.1328007376.

The spelling of 89394251 in words is "eighty-nine million, three hundred ninety-four thousand, two hundred fifty-one".