89001313 has 2 divisors, whose sum is σ = 89001314. Its totient is φ = 89001312.

The previous prime is 89001299. The next prime is 89001331. The reversal of 89001313 is 31310098.

Together with next prime (89001331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70442449 + 18558864 = 8393^2 + 4308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89001313 is a prime.

It is not a weakly prime, because it can be changed into another prime (89001383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44500656 + 44500657.

It is an arithmetic number, because the mean of its divisors is an integer number (44500657).

Almost surely, 2^89001313 is an apocalyptic number.

It is an amenable number.

89001313 is a deficient number, since it is larger than the sum of its proper divisors (1).

89001313 is an equidigital number, since it uses as much as digits as its factorization.

89001313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 89001313 is about 9434.0507206608. The cubic root of 89001313 is about 446.4767051320.

The spelling of 89001313 in words is "eighty-nine million, one thousand, three hundred thirteen".