89202013 has 2 divisors, whose sum is σ = 89202014. Its totient is φ = 89202012.

The previous prime is 89201989. The next prime is 89202031. The reversal of 89202013 is 31020298.

Together with next prime (89202031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72539289 + 16662724 = 8517^2 + 4082^2 .

It is a cyclic number.

It is not a de Polignac number, because 89202013 - 2⁹ = 89201501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89202083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44601006 + 44601007.

It is an arithmetic number, because the mean of its divisors is an integer number (44601007).

Almost surely, 2^89202013 is an apocalyptic number.

It is an amenable number.

89202013 is a deficient number, since it is larger than the sum of its proper divisors (1).

89202013 is an equidigital number, since it uses as much as digits as its factorization.

89202013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 89202013 is about 9444.6817310061. The cubic root of 89202013 is about 446.8120582485.

The spelling of 89202013 in words is "eighty-nine million, two hundred two thousand, thirteen".