89750513 has 2 divisors, whose sum is σ = 89750514. Its totient is φ = 89750512.

The previous prime is 89750467. The next prime is 89750527. The reversal of 89750513 is 31505798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89264704 + 485809 = 9448^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 89750513 - 2¹⁰ = 89749489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89750543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44875256 + 44875257.

It is an arithmetic number, because the mean of its divisors is an integer number (44875257).

Almost surely, 2^89750513 is an apocalyptic number.

It is an amenable number.

89750513 is a deficient number, since it is larger than the sum of its proper divisors (1).

89750513 is an equidigital number, since it uses as much as digits as its factorization.

89750513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 89750513 is about 9473.6747358140. The cubic root of 89750513 is about 447.7259980153.

The spelling of 89750513 in words is "eighty-nine million, seven hundred fifty thousand, five hundred thirteen".