89451403 has 2 divisors, whose sum is σ = 89451404. Its totient is φ = 89451402.

The previous prime is 89451391. The next prime is 89451407. The reversal of 89451403 is 30415498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89451403 - 2⁹ = 89450891 is a prime.

It is not a weakly prime, because it can be changed into another prime (89451407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44725701 + 44725702.

It is an arithmetic number, because the mean of its divisors is an integer number (44725702).

Almost surely, 2^89451403 is an apocalyptic number.

89451403 is a deficient number, since it is larger than the sum of its proper divisors (1).

89451403 is an equidigital number, since it uses as much as digits as its factorization.

89451403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 89451403 is about 9457.8751842050. The cubic root of 89451403 is about 447.2280681983.

The spelling of 89451403 in words is "eighty-nine million, four hundred fifty-one thousand, four hundred three".